Bosch 9602 Spark Plug

Brand	Bosch 9602
Center Electrode Core Material	Nickel-Yttrium and Copper
Center Electrode Tip Material	Iridium
Ground Configuration	Standard
Ground Electrode Quantity	1
Ground Electrode Tip Design	Tapered
Ground Electrode Tip Material	Platinum-Iridium and Nickel-Yttrium
Hex Size	16
Insulator Material	Ceramic
Insulator Type	Projected
Manufacturer Heat Range	8
Outdoor Power Equipment Application	No
Package Contents	Spark Plug
Pre-Gap Size	1
Product Length	3.051181 in
Product Width	0.712598 in
Reach	17.5
Resistance	6000
Resistor	Yes
Seat Type	Tapered
Short Style	No
Spark Plug Type	4-Cycle
Thread Diameter	14
Product line	OE Fine Wire Double Iridium
Fits	Chevrolet, GMC, Cadillac, Hummer, Buick, Pontiac, Saab, Isuzu, Oldsmobile, and Geo · 795 vehicles

OE Fine Wire Double Iridium. Engineered for strong ignitability and long service life.

Iridium center electrode. Fine-wire design helps deliver crisp, efficient spark performance.

Laser-welded ground electrode. Built to withstand heat and wear over time.

$17.84Free shipping

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Bosch OE Fine Wire Double Iridium Spark Plug 9602

Bosch 9602 is an OE Fine Wire Double Iridium spark plug built for precise ignition performance and long service life. Its ultra-fine wire center electrode, laser-welded ground electrode, and tapered design support strong ignitability in demanding GM truck, SUV, and performance applications.

Key Features

Double iridium construction for durable electrode performance
Ultra-fine wire center electrode for efficient spark initiation
Laser-welded tapered ground electrode for consistent firing
Resistor design helps reduce electrical noise
Pre-gapped from the factory; do not gap before installation
OE-style fitment for select Chevrolet, GMC, Cadillac, Pontiac, Buick, Saab, Hummer, Isuzu, and Geo applications

Product Line Details

Bosch OE Fine Wire Double Iridium plugs are engineered to combine OE-style fitment with iridium electrode durability. The center electrode uses an iridium-alloy firing pin, while the ground electrode features an iridium alloy inlay and laser-welded construction to maintain stable spark characteristics over extended service intervals. Part number 9602 is a tapered-seat, projected-tip spark plug with a 14 mm thread diameter, 17.5 mm reach, and 16 mm hex.

Fitment Overview

Fits 2003-2020 Chevrolet Express 2500, N/A
Fits 2003-2020 Chevrolet Express 3500, N/A
Fits 2003-2020 GMC Savana 2500, N/A
Fits 2003-2020 GMC Savana 3500, N/A
Fits 2001-2019 Chevrolet Silverado 2500 HD, N/A
Fits 2007-2019 Chevrolet Silverado 3500 HD, N/A
Fits 2016-2019 Chevrolet Suburban 3500 HD, N/A
Fits 2001-2019 GMC Sierra 2500 HD, N/A
Fits 2007-2019 GMC Sierra 3500 HD, N/A
Fits 2011-2017 Chevrolet Caprice, N/A
Fits 2014-2017 Chevrolet SS, N/A
Fits 2009-2015 Cadillac CTS, N/A
Fits 2004-2007 Cadillac CTS, N/A
Fits 2010-2015 Chevrolet Camaro, N/A
Fits 1998-2002 Chevrolet Camaro, N/A
Fits 2002-2014 Cadillac Escalade, N/A
Fits 2003-2014 Cadillac Escalade ESV, N/A
Fits 2003-2014 Chevrolet Express 1500, N/A
Fits 2000-2014 Chevrolet Suburban 1500, N/A
Fits 2000-2014 Chevrolet Tahoe, N/A
Fits 2003-2014 GMC Savana 1500, N/A
Fits 2000-2014 GMC Yukon, N/A
Fits 2000-2014 GMC Yukon XL 1500, N/A
Fits 2002-2013 Cadillac Escalade EXT, N/A
Fits 2007-2013 Chevrolet Avalanche, N/A
Fits 1997-2013 Chevrolet Corvette, N/A
Fits 2000-2013 Chevrolet Silverado 1500, N/A
Fits 2000-2013 Chevrolet Suburban 2500, N/A
Fits 2000-2013 GMC Sierra 1500, N/A
Fits 2000-2013 GMC Yukon XL 2500, N/A
Fits 2009-2012 Chevrolet Colorado, N/A
Fits 2009-2012 GMC Canyon, N/A
Fits 2008-2010 Hummer H3, N/A
Fits 2009-2010 Hummer H3T, N/A
Fits 2008-2009 Buick Allure, N/A
Fits 2008-2009 Buick LaCrosse, N/A
Fits 2006-2009 Chevrolet Impala, N/A
Fits 2006-2009 Chevrolet Trailblazer, N/A
Fits 2005-2009 GMC Envoy, N/A
Fits 2003-2009 Hummer H2, N/A
Fits 2008-2009 Pontiac G8, N/A
Fits 2005-2009 Saab 9-7x, N/A
Fits 2005-2008 Pontiac Grand Prix, N/A
Fits 2004-2007 Buick Rainier, N/A
Fits 2006-2007 Chevrolet Monte Carlo, N/A
Fits 2007 Chevrolet Silverado 1500 Classic, N/A
Fits 2007 Chevrolet Silverado 1500 HD Classic, N/A
Fits 2007 Chevrolet Silverado 2500 HD Classic, N/A
Fits 2007 Chevrolet Silverado 3500 Classic, N/A
Fits 2007 GMC Sierra 1500 Classic, N/A
Fits 2007 GMC Sierra 1500 HD Classic, N/A
Fits 2007 GMC Sierra 2500 HD Classic, N/A
Fits 2007 GMC Sierra 3500 Classic, N/A
Fits 2002-2006 Chevrolet Avalanche 1500, N/A
Fits 2005-2006 Chevrolet Silverado 1500 HD, N/A
Fits 2001-2003 Chevrolet Silverado 1500 HD, N/A
Fits 2001-2006 Chevrolet Silverado 3500, N/A
Fits 2003-2006 Chevrolet SSR, N/A
Fits 2003-2006 Chevrolet Trailblazer EXT, N/A
Fits 2003-2006 GMC Envoy XL, N/A
Fits 2005-2006 GMC Sierra 1500 HD, N/A
Fits 2001-2003 GMC Sierra 1500 HD, N/A
Fits 2001-2006 GMC Sierra 3500, N/A
Fits 2003-2006 Isuzu Ascender, N/A
Fits 2004-2006 Pontiac GTO, N/A
Fits 2005 Chevrolet Avalanche 1500, N/A
Fits 2004-2005 GMC Envoy XUV, N/A
Fits 2000-2004 Chevrolet Silverado 2500, N/A
Fits 2000-2004 GMC Sierra 2500, N/A
Fits 2000-2002 Pontiac Firebird, N/A
Fits 1996-1997 Chevrolet Lumina, N/A
Fits 1996-1997 Chevrolet Monte Carlo, N/A
Fits 1996 Oldsmobile Cutlass Supreme, N/A
Fits 1996 Pontiac Grand Prix, N/A
Fits 1991-1995 Chevrolet Lumina, N/A
Fits 1995 Chevrolet Monte Carlo, N/A
Fits 1991-1995 Oldsmobile Cutlass Supreme, N/A
Fits 1991-1995 Pontiac Grand Prix, N/A
Fits 1992-1993 Buick Century, N/A
Fits 1992-1993 Buick LeSabre, N/A
Fits 1992-1993 Buick Park Avenue, N/A
Fits 1992-1993 Buick Regal, N/A
Fits 1992-1993 Buick Riviera, N/A
Fits 1992-1993 Buick Skylark, N/A
Fits 1992-1993 Chevrolet Lumina APV, N/A
Fits 1992-1993 Oldsmobile 88, N/A
Fits 1992-1993 Oldsmobile 98, N/A
Fits 1992-1993 Oldsmobile Achieva, N/A
Fits 1992-1993 Oldsmobile Cutlass Ciera, N/A
Fits 1992-1993 Oldsmobile Cutlass Cruiser, N/A
Fits 1992-1993 Oldsmobile Silhouette, N/A
Fits 1992-1993 Pontiac Bonneville, N/A
Fits 1992-1993 Pontiac Grand Am, N/A
Fits 1992-1993 Pontiac Trans Sport, N/A
Fits 1989-1992 Geo Prizm, N/A
Fits 1992 Oldsmobile Toronado, N/A
Fits 1991 Geo Prizm, N/A
Fits 1979-1980 GMC C1500, N/A

Common Uses

Restoring weak or inconsistent spark output
Addressing rough idle or misfire concerns tied to worn plugs
Replacing plugs with eroded electrodes or excessive wear
Supporting hard-start or extended-crank complaints caused by ignition wear
Maintaining ignition performance in high-mileage GM trucks, SUVs, and performance cars

Installation Notes

Part number 9602 is pre-gapped from the factory and should not be adjusted before installation. Verify the tapered seat, 14 mm thread diameter, 17.5 mm reach, and 16 mm hex before service. Use the vehicle-specific service procedure and torque specification for the application, especially on Chevrolet Silverado 2500 HD, GMC Sierra 3500 HD, and Cadillac Escalade models where access and plug routing can vary.

Quality Assurance

Bosch OE Fine Wire Double Iridium plugs are built with iridium-alloy center and ground electrode features for durable ignition performance and OE-style service life. Part number 9602 is a resistor spark plug with ceramic insulation and a projected tip design for consistent operation in the listed applications.

This part fits 795 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Liters	Cylinders	Fuel Type	Position	Notes
2020	Chevrolet	Express 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2020	Chevrolet	Express 2500	4.3L	V6	FLEX	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2020	Chevrolet	Express 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2020	GMC	Savana 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2020	GMC	Savana 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2019	Chevrolet	Express 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2019	Chevrolet	Express 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2019	Chevrolet	Silverado 2500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2019	Chevrolet	Silverado 3500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2019	Chevrolet	Suburban 3500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2019	GMC	Savana 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2019	GMC	Savana 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2019	GMC	Sierra 2500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2019	GMC	Sierra 3500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2018	Chevrolet	Express 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2018	Chevrolet	Express 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2018	Chevrolet	Silverado 2500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2018	Chevrolet	Silverado 3500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2018	Chevrolet	Suburban 3500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2018	GMC	Savana 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2018	GMC	Savana 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2018	GMC	Sierra 2500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2018	GMC	Sierra 3500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2017	Chevrolet	Caprice	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2017	Chevrolet	Express 2500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2017	Chevrolet	Express 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2017	Chevrolet	Express 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2017	Chevrolet	Express 3500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2017	Chevrolet	Silverado 2500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2017	Chevrolet	Silverado 3500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2017	Chevrolet	SS	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2017	Chevrolet	Suburban 3500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2017	GMC	Savana 2500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2017	GMC	Savana 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2017	GMC	Savana 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2017	GMC	Savana 3500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2017	GMC	Sierra 2500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2017	GMC	Sierra 3500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2016	Chevrolet	Caprice	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2016	Chevrolet	Express 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2016	Chevrolet	Express 2500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2016	Chevrolet	Express 3500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2016	Chevrolet	Express 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2016	Chevrolet	Silverado 2500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2016	Chevrolet	Silverado 3500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2016	Chevrolet	SS	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2016	Chevrolet	Suburban 3500 HD	6.0L	V8	GAS	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2016	GMC	Savana 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2016	GMC	Savana 2500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2016	GMC	Savana 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2016	GMC	Savana 3500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2016	GMC	Sierra 2500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2016	GMC	Sierra 3500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2015	Cadillac	CTS	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2015	Chevrolet	Camaro	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2015	Chevrolet	Camaro	7.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2015	Chevrolet	Caprice	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2015	Chevrolet	Express 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2015	Chevrolet	Express 2500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2015	Chevrolet	Express 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2015	Chevrolet	Express 3500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2015	Chevrolet	Silverado 2500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2015	Chevrolet	Silverado 3500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2015	Chevrolet	SS	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2015	GMC	Savana 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2015	GMC	Savana 2500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2015	GMC	Savana 3500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2015	GMC	Savana 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2015	GMC	Sierra 2500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2015	GMC	Sierra 3500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2014	Cadillac	CTS	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2014	Cadillac	Escalade	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2014	Cadillac	Escalade ESV	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2014	Chevrolet	Camaro	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2014	Chevrolet	Camaro	7.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2014	Chevrolet	Caprice	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2014	Chevrolet	Express 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2014	Chevrolet	Express 2500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2014	Chevrolet	Express 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2014	Chevrolet	Express 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2014	Chevrolet	Express 3500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2014	Chevrolet	Silverado 2500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2014	Chevrolet	Silverado 3500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2014	Chevrolet	SS	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2014	Chevrolet	Suburban 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2014	Chevrolet	Tahoe	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2014	GMC	Savana 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2014	GMC	Savana 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2014	GMC	Savana 2500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2014	GMC	Savana 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2014	GMC	Savana 3500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2014	GMC	Sierra 2500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2014	GMC	Sierra 3500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2014	GMC	Yukon	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2014	GMC	Yukon	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2014	GMC	Yukon XL 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2014	GMC	Yukon XL 1500	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2013	Cadillac	CTS	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2013	Cadillac	Escalade	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2013	Cadillac	Escalade	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2013	Cadillac	Escalade ESV	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2013	Cadillac	Escalade EXT	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2013	Chevrolet	Avalanche	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2013	Chevrolet	Camaro	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2013	Chevrolet	Caprice	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2013	Chevrolet	Corvette	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2013	Chevrolet	Corvette	7.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2013	Chevrolet	Express 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2013	Chevrolet	Express 2500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2013	Chevrolet	Express 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2013	Chevrolet	Express 3500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2013	Chevrolet	Express 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2013	Chevrolet	Silverado 1500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2013	Chevrolet	Silverado 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2013	Chevrolet	Silverado 1500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2013	Chevrolet	Silverado 1500	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2013	Chevrolet	Silverado 2500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2013	Chevrolet	Silverado 3500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2013	Chevrolet	Suburban 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2013	Chevrolet	Suburban 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2013	Chevrolet	Tahoe	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2013	Chevrolet	Tahoe	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2013	GMC	Savana 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2013	GMC	Savana 2500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2013	GMC	Savana 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2013	GMC	Savana 3500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2013	GMC	Savana 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2013	GMC	Sierra 1500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2013	GMC	Sierra 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2013	GMC	Sierra 1500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2013	GMC	Sierra 1500	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2013	GMC	Sierra 2500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2013	GMC	Sierra 3500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2013	GMC	Yukon	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2013	GMC	Yukon	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2013	GMC	Yukon	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2013	GMC	Yukon XL 1500	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2013	GMC	Yukon XL 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2013	GMC	Yukon XL 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2012	Cadillac	CTS	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2012	Cadillac	Escalade	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2012	Cadillac	Escalade	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2012	Cadillac	Escalade ESV	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2012	Cadillac	Escalade EXT	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2012	Chevrolet	Avalanche	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2012	Chevrolet	Camaro	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2012	Chevrolet	Caprice	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2012	Chevrolet	Colorado	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2012	Chevrolet	Corvette	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2012	Chevrolet	Corvette	7.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2012	Chevrolet	Express 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2012	Chevrolet	Express 2500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2012	Chevrolet	Express 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2012	Chevrolet	Express 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2012	Chevrolet	Express 3500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2012	Chevrolet	Silverado 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2012	Chevrolet	Silverado 1500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2012	Chevrolet	Silverado 1500	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2012	Chevrolet	Silverado 1500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2012	Chevrolet	Silverado 2500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2012	Chevrolet	Silverado 3500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2012	Chevrolet	Suburban 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2012	Chevrolet	Suburban 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2012	Chevrolet	Tahoe	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2012	Chevrolet	Tahoe	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2012	GMC	Canyon	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2012	GMC	Savana 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2012	GMC	Savana 2500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2012	GMC	Savana 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2012	GMC	Savana 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2012	GMC	Savana 3500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2012	GMC	Sierra 1500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2012	GMC	Sierra 1500	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2012	GMC	Sierra 1500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2012	GMC	Sierra 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2012	GMC	Sierra 2500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2012	GMC	Sierra 3500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2012	GMC	Yukon	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2012	GMC	Yukon	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2012	GMC	Yukon	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2012	GMC	Yukon XL 1500	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2012	GMC	Yukon XL 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2012	GMC	Yukon XL 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2011	Cadillac	CTS	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2011	Cadillac	Escalade	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2011	Cadillac	Escalade	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2011	Cadillac	Escalade ESV	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2011	Cadillac	Escalade EXT	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2011	Chevrolet	Avalanche	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2011	Chevrolet	Camaro	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2011	Chevrolet	Caprice	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2011	Chevrolet	Colorado	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2011	Chevrolet	Corvette	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2011	Chevrolet	Corvette	7.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2011	Chevrolet	Express 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2011	Chevrolet	Express 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2011	Chevrolet	Express 2500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2011	Chevrolet	Express 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2011	Chevrolet	Express 3500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2011	Chevrolet	Silverado 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2011	Chevrolet	Silverado 1500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2011	Chevrolet	Silverado 1500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2011	Chevrolet	Silverado 1500	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2011	Chevrolet	Silverado 2500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2011	Chevrolet	Silverado 3500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2011	Chevrolet	Suburban 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2011	Chevrolet	Suburban 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2011	Chevrolet	Tahoe	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2011	Chevrolet	Tahoe	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2011	GMC	Canyon	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2011	GMC	Savana 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2011	GMC	Savana 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2011	GMC	Savana 2500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2011	GMC	Savana 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2011	GMC	Savana 3500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2011	GMC	Sierra 1500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2011	GMC	Sierra 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2011	GMC	Sierra 1500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2011	GMC	Sierra 1500	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2011	GMC	Sierra 2500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2011	GMC	Sierra 3500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2011	GMC	Yukon	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2011	GMC	Yukon	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2011	GMC	Yukon	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2011	GMC	Yukon XL 1500	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2011	GMC	Yukon XL 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2011	GMC	Yukon XL 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2010	Cadillac	CTS	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2010	Cadillac	Escalade	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2010	Cadillac	Escalade	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2010	Cadillac	Escalade ESV	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2010	Cadillac	Escalade EXT	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2010	Chevrolet	Avalanche	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2010	Chevrolet	Camaro	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2010	Chevrolet	Colorado	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2010	Chevrolet	Corvette	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2010	Chevrolet	Corvette	7.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2010	Chevrolet	Express 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2010	Chevrolet	Express 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2010	Chevrolet	Express 2500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2010	Chevrolet	Express 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2010	Chevrolet	Express 3500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2010	Chevrolet	Silverado 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2010	Chevrolet	Silverado 1500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2010	Chevrolet	Silverado 1500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2010	Chevrolet	Silverado 1500	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2010	Chevrolet	Silverado 2500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2010	Chevrolet	Silverado 3500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2010	Chevrolet	Suburban 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2010	Chevrolet	Suburban 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2010	Chevrolet	Tahoe	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2010	Chevrolet	Tahoe	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2010	GMC	Canyon	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2010	GMC	Savana 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2010	GMC	Savana 2500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2010	GMC	Savana 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2010	GMC	Savana 3500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2010	GMC	Savana 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2010	GMC	Sierra 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2010	GMC	Sierra 1500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2010	GMC	Sierra 1500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2010	GMC	Sierra 1500	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2010	GMC	Sierra 2500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2010	GMC	Sierra 3500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2010	GMC	Yukon	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2010	GMC	Yukon	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2010	GMC	Yukon	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2010	GMC	Yukon XL 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2010	GMC	Yukon XL 1500	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2010	GMC	Yukon XL 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2010	Hummer	H3	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2010	Hummer	H3T	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	Buick	Allure	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	Buick	LaCrosse	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	Cadillac	CTS	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	Cadillac	Escalade	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	Cadillac	Escalade	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	Cadillac	Escalade ESV	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	Cadillac	Escalade EXT	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	Chevrolet	Avalanche	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	Chevrolet	Avalanche	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	Chevrolet	Colorado	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	Chevrolet	Corvette	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	Chevrolet	Corvette	7.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	Chevrolet	Express 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	Chevrolet	Express 2500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	Chevrolet	Express 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	Chevrolet	Express 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	Chevrolet	Express 3500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	Chevrolet	Impala	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	Chevrolet	Silverado 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	Chevrolet	Silverado 1500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	Chevrolet	Silverado 1500	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	Chevrolet	Silverado 1500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	Chevrolet	Silverado 2500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	Chevrolet	Silverado 3500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	Chevrolet	Suburban 1500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	Chevrolet	Suburban 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	Chevrolet	Suburban 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	Chevrolet	Tahoe	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	Chevrolet	Tahoe	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	Chevrolet	Tahoe	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	Chevrolet	Tahoe	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	Chevrolet	Trailblazer	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	Chevrolet	Trailblazer	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	GMC	Canyon	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	GMC	Envoy	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	GMC	Savana 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	GMC	Savana 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	GMC	Savana 2500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	GMC	Savana 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	GMC	Savana 3500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	GMC	Sierra 1500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	GMC	Sierra 1500	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	GMC	Sierra 1500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	GMC	Sierra 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	GMC	Sierra 2500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	GMC	Sierra 3500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	GMC	Yukon	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	GMC	Yukon	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	GMC	Yukon	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	GMC	Yukon	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	GMC	Yukon XL 1500	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	GMC	Yukon XL 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	GMC	Yukon XL 1500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	GMC	Yukon XL 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	Hummer	H2	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	Hummer	H3	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	Hummer	H3T	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	Pontiac	G8	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	Pontiac	G8	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	Saab	9-7x	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2009	Saab	9-7x	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	Buick	Allure	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	Buick	LaCrosse	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	Cadillac	Escalade	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	Cadillac	Escalade ESV	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	Cadillac	Escalade EXT	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	Chevrolet	Avalanche	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	Chevrolet	Avalanche	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	Chevrolet	Corvette	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	Chevrolet	Corvette	7.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	Chevrolet	Express 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	Chevrolet	Express 2500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	Chevrolet	Express 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	Chevrolet	Express 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	Chevrolet	Express 3500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	Chevrolet	Impala	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	Chevrolet	Silverado 1500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	Chevrolet	Silverado 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	Chevrolet	Silverado 1500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	Chevrolet	Silverado 2500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	Chevrolet	Silverado 3500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	Chevrolet	Suburban 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	Chevrolet	Suburban 1500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	Chevrolet	Suburban 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	Chevrolet	Tahoe	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	Chevrolet	Tahoe	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	Chevrolet	Tahoe	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	Chevrolet	Tahoe	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	Chevrolet	Trailblazer	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	Chevrolet	Trailblazer	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	GMC	Envoy	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	GMC	Savana 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	GMC	Savana 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	GMC	Savana 2500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	GMC	Savana 3500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	GMC	Savana 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	GMC	Sierra 1500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	GMC	Sierra 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	GMC	Sierra 1500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	GMC	Sierra 1500	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	GMC	Sierra 2500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	GMC	Sierra 3500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	GMC	Yukon	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	GMC	Yukon	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	GMC	Yukon	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	GMC	Yukon	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	GMC	Yukon XL 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	GMC	Yukon XL 1500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	GMC	Yukon XL 1500	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	GMC	Yukon XL 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	Hummer	H2	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	Hummer	H3	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	Pontiac	G8	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	Pontiac	Grand Prix	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	Saab	9-7x	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2008	Saab	9-7x	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	Buick	Rainier	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	Cadillac	CTS	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	Cadillac	Escalade	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	Cadillac	Escalade ESV	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	Cadillac	Escalade EXT	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	Chevrolet	Avalanche	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	Chevrolet	Avalanche	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	Chevrolet	Corvette	7.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	Chevrolet	Corvette	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	Chevrolet	Express 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	Chevrolet	Express 2500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	Chevrolet	Express 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	Chevrolet	Express 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	Chevrolet	Express 3500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	Chevrolet	Impala	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	Chevrolet	Monte Carlo	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	Chevrolet	Silverado 1500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	Chevrolet	Silverado 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	Chevrolet	Silverado 1500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	Chevrolet	Silverado 1500 Classic	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	Chevrolet	Silverado 1500 Classic	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	Chevrolet	Silverado 1500 Classic	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	Chevrolet	Silverado 1500 HD Classic	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	Chevrolet	Silverado 2500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	Chevrolet	Silverado 2500 HD Classic	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	Chevrolet	Silverado 3500 Classic	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	Chevrolet	Silverado 3500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	Chevrolet	Suburban 1500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	Chevrolet	Suburban 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	Chevrolet	Suburban 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	Chevrolet	Tahoe	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	Chevrolet	Tahoe	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	Chevrolet	Trailblazer	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	Chevrolet	Trailblazer	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	GMC	Envoy	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	GMC	Savana 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	GMC	Savana 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	GMC	Savana 2500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	GMC	Savana 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	GMC	Savana 3500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	GMC	Sierra 1500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	GMC	Sierra 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	GMC	Sierra 1500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	GMC	Sierra 1500	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	GMC	Sierra 1500 Classic	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	GMC	Sierra 1500 Classic	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	GMC	Sierra 1500 Classic	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	GMC	Sierra 1500 HD Classic	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	GMC	Sierra 2500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	GMC	Sierra 2500 HD Classic	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	GMC	Sierra 3500 Classic	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	GMC	Sierra 3500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	GMC	Yukon	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	GMC	Yukon	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	GMC	Yukon	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	GMC	Yukon XL 1500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	GMC	Yukon XL 1500	6.2L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	GMC	Yukon XL 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	GMC	Yukon XL 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	Hummer	H2	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	Pontiac	Grand Prix	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2007	Saab	9-7x	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	Buick	Rainier	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	Cadillac	CTS	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	Cadillac	Escalade	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	Cadillac	Escalade ESV	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	Cadillac	Escalade EXT	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	Chevrolet	Avalanche 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	Chevrolet	Corvette	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	Chevrolet	Corvette	7.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	Chevrolet	Express 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	Chevrolet	Express 2500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	Chevrolet	Express 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	Chevrolet	Express 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	Chevrolet	Express 3500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	Chevrolet	Impala	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	Chevrolet	Monte Carlo	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	Chevrolet	Silverado 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	Chevrolet	Silverado 1500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	Chevrolet	Silverado 1500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	Chevrolet	Silverado 1500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	Chevrolet	Silverado 2500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	Chevrolet	Silverado 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	Chevrolet	SSR	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	Chevrolet	Suburban 1500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	Chevrolet	Suburban 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	Chevrolet	Suburban 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	Chevrolet	Tahoe	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	Chevrolet	Tahoe	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	Chevrolet	Trailblazer	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	Chevrolet	Trailblazer	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	Chevrolet	Trailblazer EXT	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	GMC	Envoy	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	GMC	Envoy XL	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	GMC	Savana 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	GMC	Savana 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	GMC	Savana 2500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	GMC	Savana 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	GMC	Savana 3500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	GMC	Sierra 1500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	GMC	Sierra 1500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	GMC	Sierra 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	GMC	Sierra 1500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	GMC	Sierra 2500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	GMC	Sierra 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	GMC	Yukon	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	GMC	Yukon	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	GMC	Yukon	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	GMC	Yukon XL 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	GMC	Yukon XL 1500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	GMC	Yukon XL 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	Hummer	H2	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	Isuzu	Ascender	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	Pontiac	Grand Prix	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	Pontiac	GTO	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2006	Saab	9-7x	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	Buick	Rainier	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	Cadillac	CTS	5.7L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	Cadillac	Escalade	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	Cadillac	Escalade	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	Cadillac	Escalade ESV	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	Cadillac	Escalade EXT	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	Chevrolet	Avalanche 1500	5.3L	V8	FLEX	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	Chevrolet	Avalanche 1500	5.3L	V8	GAS	N/A	Do Not Gap, Gap is Preset; Original Center Electrode and Ground Electrode Material is Platinum; OE Fine Wire Double Iridium
2005	Chevrolet	Corvette	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	Chevrolet	Express 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	Chevrolet	Express 2500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	Chevrolet	Express 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	Chevrolet	Express 2500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	Chevrolet	Express 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	Chevrolet	Express 3500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	Chevrolet	Silverado 1500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	Chevrolet	Silverado 1500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	Chevrolet	Silverado 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	Chevrolet	Silverado 1500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	Chevrolet	Silverado 2500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	Chevrolet	Silverado 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	Chevrolet	SSR	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	Chevrolet	Suburban 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	Chevrolet	Suburban 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	Chevrolet	Tahoe	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	Chevrolet	Tahoe	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	Chevrolet	Trailblazer EXT	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	GMC	Envoy	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	GMC	Envoy XL	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	GMC	Envoy XUV	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	GMC	Savana 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	GMC	Savana 2500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	GMC	Savana 2500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	GMC	Savana 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	GMC	Savana 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	GMC	Savana 3500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	GMC	Sierra 1500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	GMC	Sierra 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	GMC	Sierra 1500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	GMC	Sierra 1500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	GMC	Sierra 2500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	GMC	Sierra 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	GMC	Yukon	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	GMC	Yukon	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	GMC	Yukon	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	GMC	Yukon XL 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	GMC	Yukon XL 1500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	GMC	Yukon XL 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	Hummer	H2	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	Isuzu	Ascender	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	Pontiac	Grand Prix	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	Pontiac	GTO	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2005	Saab	9-7x	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	Buick	Rainier	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	Cadillac	CTS	5.7L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	Cadillac	Escalade	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	Cadillac	Escalade	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	Cadillac	Escalade ESV	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	Cadillac	Escalade EXT	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	Chevrolet	Avalanche 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	Chevrolet	Corvette	5.7L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	Chevrolet	Express 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	Chevrolet	Express 2500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	Chevrolet	Express 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	Chevrolet	Express 2500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	Chevrolet	Express 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	Chevrolet	Express 3500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	Chevrolet	Silverado 1500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	Chevrolet	Silverado 1500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	Chevrolet	Silverado 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	Chevrolet	Silverado 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	Chevrolet	Silverado 2500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	Chevrolet	Silverado 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	Chevrolet	SSR	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	Chevrolet	Suburban 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	Chevrolet	Suburban 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	Chevrolet	Tahoe	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	Chevrolet	Tahoe	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	Chevrolet	Trailblazer EXT	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	GMC	Envoy XL	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	GMC	Envoy XUV	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	GMC	Savana 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	GMC	Savana 2500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	GMC	Savana 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	GMC	Savana 2500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	GMC	Savana 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	GMC	Savana 3500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	GMC	Sierra 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	GMC	Sierra 1500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	GMC	Sierra 1500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	GMC	Sierra 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	GMC	Sierra 2500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	GMC	Sierra 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	GMC	Yukon	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	GMC	Yukon	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	GMC	Yukon	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	GMC	Yukon XL 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	GMC	Yukon XL 1500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	GMC	Yukon XL 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	Hummer	H2	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	Isuzu	Ascender	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2004	Pontiac	GTO	5.7L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	Cadillac	Escalade	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	Cadillac	Escalade	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	Cadillac	Escalade ESV	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	Cadillac	Escalade EXT	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	Chevrolet	Avalanche 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	Chevrolet	Corvette	5.7L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	Chevrolet	Express 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	Chevrolet	Express 2500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	Chevrolet	Express 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	Chevrolet	Express 2500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	Chevrolet	Express 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	Chevrolet	Express 3500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	Chevrolet	Silverado 1500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	Chevrolet	Silverado 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	Chevrolet	Silverado 1500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	Chevrolet	Silverado 1500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	Chevrolet	Silverado 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	Chevrolet	Silverado 2500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	Chevrolet	Silverado 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	Chevrolet	SSR	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	Chevrolet	Suburban 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	Chevrolet	Suburban 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	Chevrolet	Tahoe	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	Chevrolet	Tahoe	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	Chevrolet	Trailblazer EXT	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	GMC	Envoy XL	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	GMC	Savana 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	GMC	Savana 2500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	GMC	Savana 2500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	GMC	Savana 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	GMC	Savana 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	GMC	Savana 3500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	GMC	Sierra 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	GMC	Sierra 1500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	GMC	Sierra 1500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	GMC	Sierra 1500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	GMC	Sierra 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	GMC	Sierra 2500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	GMC	Sierra 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	GMC	Yukon	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	GMC	Yukon	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	GMC	Yukon	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	GMC	Yukon XL 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	GMC	Yukon XL 1500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	GMC	Yukon XL 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	Hummer	H2	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2003	Isuzu	Ascender	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2002	Cadillac	Escalade	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2002	Cadillac	Escalade	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2002	Cadillac	Escalade EXT	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2002	Chevrolet	Avalanche 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2002	Chevrolet	Camaro	5.7L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2002	Chevrolet	Corvette	5.7L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2002	Chevrolet	Silverado 1500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2002	Chevrolet	Silverado 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2002	Chevrolet	Silverado 1500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2002	Chevrolet	Silverado 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2002	Chevrolet	Silverado 2500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2002	Chevrolet	Silverado 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2002	Chevrolet	Suburban 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2002	Chevrolet	Suburban 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2002	Chevrolet	Tahoe	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2002	Chevrolet	Tahoe	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2002	GMC	Sierra 1500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2002	GMC	Sierra 1500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2002	GMC	Sierra 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2002	GMC	Sierra 1500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2002	GMC	Sierra 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2002	GMC	Sierra 2500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2002	GMC	Sierra 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2002	GMC	Yukon	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2002	GMC	Yukon	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2002	GMC	Yukon	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2002	GMC	Yukon XL 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2002	GMC	Yukon XL 1500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2002	GMC	Yukon XL 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2002	Pontiac	Firebird	5.7L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2001	Chevrolet	Camaro	5.7L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2001	Chevrolet	Corvette	5.7L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2001	Chevrolet	Silverado 1500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2001	Chevrolet	Silverado 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2001	Chevrolet	Silverado 1500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2001	Chevrolet	Silverado 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2001	Chevrolet	Silverado 2500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2001	Chevrolet	Silverado 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2001	Chevrolet	Suburban 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2001	Chevrolet	Suburban 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2001	Chevrolet	Tahoe	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2001	Chevrolet	Tahoe	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2001	GMC	Sierra 1500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2001	GMC	Sierra 1500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2001	GMC	Sierra 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2001	GMC	Sierra 1500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2001	GMC	Sierra 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2001	GMC	Sierra 2500 HD	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2001	GMC	Sierra 3500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2001	GMC	Yukon	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2001	GMC	Yukon	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2001	GMC	Yukon	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2001	GMC	Yukon XL 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2001	GMC	Yukon XL 1500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2001	GMC	Yukon XL 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2001	Pontiac	Firebird	5.7L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2000	Chevrolet	Camaro	5.7L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2000	Chevrolet	Corvette	5.7L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2000	Chevrolet	Silverado 1500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2000	Chevrolet	Silverado 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2000	Chevrolet	Silverado 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2000	Chevrolet	Silverado 2500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2000	Chevrolet	Suburban 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2000	Chevrolet	Suburban 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2000	Chevrolet	Tahoe	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2000	Chevrolet	Tahoe	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2000	GMC	Sierra 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2000	GMC	Sierra 1500	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2000	GMC	Sierra 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2000	GMC	Sierra 2500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2000	GMC	Yukon	4.8L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2000	GMC	Yukon	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2000	GMC	Yukon XL 1500	5.3L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2000	GMC	Yukon XL 2500	6.0L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
2000	Pontiac	Firebird	5.7L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
1999	Chevrolet	Camaro	5.7L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
1999	Chevrolet	Corvette	5.7L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
1998	Chevrolet	Camaro	5.7L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
1998	Chevrolet	Corvette	5.7L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
1997	Chevrolet	Corvette	5.7L	V8	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Double Iridium
1997	Chevrolet	Lumina	3.4L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode and Ground Electrode Material is Platinum; OE Fine Wire Double Iridium
1997	Chevrolet	Monte Carlo	3.4L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode and Ground Electrode Material is Platinum; OE Fine Wire Double Iridium
1996	Chevrolet	Lumina	3.4L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode and Ground Electrode Material is Platinum; OE Fine Wire Double Iridium
1996	Chevrolet	Monte Carlo	3.4L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode and Ground Electrode Material is Platinum; OE Fine Wire Double Iridium
1996	Oldsmobile	Cutlass Supreme	3.4L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode and Ground Electrode Material is Platinum; OE Fine Wire Double Iridium
1996	Pontiac	Grand Prix	3.4L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode and Ground Electrode Material is Platinum; OE Fine Wire Double Iridium
1995	Chevrolet	Lumina	3.4L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1995	Chevrolet	Monte Carlo	3.4L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1995	Oldsmobile	Cutlass Supreme	3.4L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1995	Pontiac	Grand Prix	3.4L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1994	Chevrolet	Lumina	3.4L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1994	Oldsmobile	Cutlass Supreme	3.4L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1994	Pontiac	Grand Prix	3.4L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1993	Buick	Century	3.3L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1993	Buick	LeSabre	3.8L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1993	Buick	Park Avenue	3.8L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1993	Buick	Regal	3.8L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1993	Buick	Riviera	3.8L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1993	Buick	Skylark	3.3L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1993	Chevrolet	Lumina	3.4L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1993	Chevrolet	Lumina APV	3.8L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1993	Oldsmobile	88	3.8L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1993	Oldsmobile	98	3.8L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1993	Oldsmobile	Achieva	3.3L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1993	Oldsmobile	Cutlass Ciera	3.3L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1993	Oldsmobile	Cutlass Cruiser	3.3L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1993	Oldsmobile	Cutlass Supreme	3.4L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1993	Oldsmobile	Silhouette	3.8L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1993	Pontiac	Bonneville	3.8L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1993	Pontiac	Grand Am	3.3L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1993	Pontiac	Grand Prix	3.4L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1993	Pontiac	Trans Sport	3.8L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1992	Buick	Century	3.3L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1992	Buick	LeSabre	3.8L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1992	Buick	Park Avenue	3.8L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1992	Buick	Regal	3.8L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1992	Buick	Riviera	3.8L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1992	Buick	Skylark	3.3L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1992	Chevrolet	Lumina	3.4L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1992	Chevrolet	Lumina APV	3.8L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1992	Geo	Prizm	1.6L	L4	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1992	Oldsmobile	88	3.8L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1992	Oldsmobile	98	3.8L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1992	Oldsmobile	Achieva	3.3L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1992	Oldsmobile	Cutlass Ciera	3.3L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1992	Oldsmobile	Cutlass Cruiser	3.3L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1992	Oldsmobile	Cutlass Supreme	3.4L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1992	Oldsmobile	Silhouette	3.8L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1992	Oldsmobile	Toronado	3.8L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1992	Pontiac	Bonneville	3.8L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1992	Pontiac	Grand Am	3.3L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1992	Pontiac	Grand Prix	3.4L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1992	Pontiac	Trans Sport	3.8L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1991	Chevrolet	Lumina	3.4L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1991	Geo	Prizm	1.6L	L4	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1991	Geo	Prizm	1.6L	L4	—	N/A	Do Not Gap, Gap is Preset; OE Fine Wire Double Iridium
1991	Oldsmobile	Cutlass Supreme	3.4L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1991	Pontiac	Grand Prix	3.4L	V6	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1990	Geo	Prizm	1.6L	L4	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1989	Geo	Prizm	1.6L	L4	—	N/A	Do Not Gap, Gap is Preset; Original Center Electrode Material is Copper/Nickel; OE Fine Wire Double Iridium
1980	GMC	C1500	7.4L	V8	—	N/A	OE Fine Wire Double Iridium
1979	GMC	C1500	7.4L	V8	—	N/A	OE Fine Wire Double Iridium
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