NGK
NGK Spark Plug Wire Set

NGK 51277 Spark Plug Wire Set

Brand NGK 51277
Insulation Color Blue
Insulation Material Silicone
Noise Suppression Type Yes
Core Material Smag
Universal Or Specific Fit Specific
Insulation Outside Diameter 8.00
Part Number Rc-gmz024
Stock Number 51277
Product line NGK Spark Plug Wire Set
Fits Chevrolet · 9 vehicles

OE standards. Built to meet original-equipment durability and performance requirements.

Silicone insulation. Helps resist heat and wear for dependable ignition performance.

Noise suppression. Helps reduce electrical interference in the ignition system.

Cross-references AMS Automotive 6862, Anchor 9679 and AP Exhaust 700303 for the same application. See all 20.

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NGK Spark Plug Wire Set for GM V8 Applications

The NGK Spark Plug Wire Set 51277 is a specific-fit ignition wire set built for select Chevrolet Corvette and Chevrolet Camaro applications. It uses blue silicone insulation, noise suppression, and an SMag core to support stable spark delivery and reduced electrical interference.

Key Features

  • Specific-fit NGK spark plug wire set for confirmed GM applications
  • Blue silicone insulation for heat resistance and durability
  • Noise suppression type helps reduce ignition interference
  • SMag core material for consistent electrical performance
  • 8.00 mm insulation outside diameter
  • NGK part number 51277 / RC-GMZ024

Product Details

NGK Spark Plug Wire Set 51277 is part of the NGK Spark Plug Wire Set line, which focuses on ignition components for domestic and import vehicles. NGK draws on long-term OE experience and global automotive manufacturing to produce replacement ignition parts that meet OE-level durability and operational performance targets. This wire set is a direct replacement style solution for vehicles that require a specific-fit ignition lead set, including Fits 1984-1991 Chevrolet Corvette, N/A and Fits 1987 Chevrolet Camaro, N/A with coil-in-cap ignition configuration.

This part cross-references DENSO Auto Parts (e.g., 671-8031, 671-8036) for the same application.

Common Issues This Part Can Address

  • Misfires caused by worn or damaged ignition wires
  • Hard starting related to weak spark transfer
  • Ignition noise that can interfere with electrical performance
  • Cracked or heat-aged wire insulation
  • Uneven engine operation from inconsistent spark delivery

Installation Notes and Tips

Verify the vehicle’s ignition layout before installation, especially on 1987 Chevrolet Camaro coil-in-cap applications. Match each wire to the correct cylinder routing and keep the leads separated from hot exhaust components and sharp edges. Confirm the part number 51277 and RC-GMZ024 against the vehicle’s original wire set before installation.

Quality Assurance

NGK manufactures ignition products with a focus on OE-style durability and performance standards. The brand’s ignition catalog includes spark plugs, glow plugs, ignition coils, coil-on-plug boots, and wire sets, supported by global manufacturing and distribution operations.

This part fits 9 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
1991ChevroletCorvette5.7LV8NGK Spark Plug Wire Set
1990ChevroletCorvette5.7LV8NGK Spark Plug Wire Set
1989ChevroletCorvette5.7LV8NGK Spark Plug Wire Set
1988ChevroletCorvette5.7LV8NGK Spark Plug Wire Set
1987ChevroletCamaro5.7LV8Coil in Cap; NGK Spark Plug Wire Set
1987ChevroletCorvette5.7LV8NGK Spark Plug Wire Set
1986ChevroletCorvette5.7LV8NGK Spark Plug Wire Set
1985ChevroletCorvette5.7LV8NGK Spark Plug Wire Set
1984ChevroletCorvette5.7LV8NGK Spark Plug Wire Set
Directly replaces or cross-references 20 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AMS Automotive — 6862Anchor — 9679AP Exhaust — 700303AP Exhaust — 700386Delphi — XS10261DENSO Auto Parts — 671-8031DENSO Auto Parts — 671-8036Dixie Electric Ltd — 12845Focus Auto Parts — 86284Gates — 6887Gates — 6892NGK — 5127735-813035-813535-PF878220967996284118029118034CH869