Champion 686 Spark Plug
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Champion

Champion 686 Spark Plug

Brand Champion 686
Ground Electrode Tip Design Fine wire j gap
Ground Electrode Core Material Nickel
Electrical Terminal Type Non-removable nut
Center Electrode Tip Material Nickel
Pre-Gap Size 0.025
Pre-Gap Size 0.65
Ground Electrode Quantity 1
Manufacturer Heat Range 57
Seat Type Flat
Reach 0.75
Thread Diameter 0.551
Thread Diameter 14.000
Resistor Type No
Hex Type Hex
Center Electrode Diameter (Inch) 0.052
Classification Champion racing plugs
Gap Style Fine wire j gap
Ground Electrode Material Nickel copper alloy
Hex Size 0.625
Hex Size 15.880
Plug Type C57
Fits —277 vehicles

Fine wire J-gap. Promotes a focused spark for performance tuning.

Nickel electrodes. Built with nickel center and ground electrode materials.

Racing plug. Engineered for performance use with Champion Racing heritage.

Cross-references Autolite 4062, CSF 2611 and AG501 for the same application. See all 19.

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Champion Racing 686 Spark Plug Overview

Champion Racing 686 is a performance spark plug built for engine builders, weekend racers, and street performance setups that need consistent ignition under demanding conditions. It uses a fine wire J-gap ground electrode, nickel center and ground electrode materials, and a non-removable nut terminal for a straightforward secondary ignition upgrade.

Compatible With performance applications that call for Champion Racing Plugs C57, this plug is part of the Champion Racing line used in motorsport-focused builds. The 0.025-inch pre-gap, flat seat, 0.75-inch reach, and 14 mm thread diameter make the Champion 686 a technical match for engines specified around these dimensions.

Key Features

  • Champion Racing part number 686
  • Fine Wire J Gap ground electrode tip design
  • Nickel center electrode tip material
  • Nickel ground electrode core material with nickel copper alloy ground electrode material
  • 0.025-inch pre-gap for specified ignition setups
  • Flat seat design with 0.75-inch reach
  • 14 mm thread diameter and 0.625-inch hex size
  • Non-removable nut terminal and non-resistor construction
  • Manufacturer heat range 57
  • Plug type C57

Detailed Description

Champion Racing 686 spark plugs are engineered for performance-oriented ignition systems where plug geometry, heat range, and electrode design matter. The fine wire J-gap helps concentrate spark energy at the firing point, while the nickel-based electrode construction supports stable operation in engines tuned for racing or spirited street use. As part of the Champion Racing product line, this plug is aimed at builders who want a race-proven style plug with straightforward specifications for secondary ignition service.

This part cross-references Autolite 4062 for the same application. Search terms such as Champion 686 spark plug, Champion Racing 686, and C57 racing plug are commonly used by buyers looking for a performance spark plug with a 14 mm thread and flat seat design.

What It Is Used For

  • Replacing worn spark plugs in performance ignition systems
  • Addressing misfire caused by incorrect plug gap or electrode wear
  • Supporting stable spark delivery in tuned engines
  • Restoring ignition consistency in race-oriented or street-performance builds
  • Matching engines specified for a Champion Racing C57-style plug

Installation Notes and Tips

Verify thread diameter, reach, seat type, heat range, and terminal style before installation. Confirm the specified gap against the engine builder’s requirements, since this plug is pre-gapped at 0.025 inch. Use proper spark plug tools to avoid damaging the fine wire electrode or the 14 mm threads. For fitment-based searches, this part is commonly referenced with vehicle keywords such as make/model applications, but actual vehicle compatibility should be confirmed by engine specification rather than assumption.

Quality Assurance

Champion Racing plugs are built for motorsport and performance use, with specifications intended to meet the demands of engine builders, weekend racers, and street performance enthusiasts. The Champion Racing 686 follows a defined heat range, electrode design, and terminal configuration for consistent secondary ignition service.

Related reading

This part fits 277 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2016KTM150 SX-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
2015KTM150 SX-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
2014KTM150 SX-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
2014KTM150 XC-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
2013KTM150 SX-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
2013KTM150 XC-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
2012KTM150 SX-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
2012KTM150 XC-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
2011KTM150 SX-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
2011KTM150 XC-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
2010KTM150 SX-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
2010KTM150 XC-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
2009KTM150 SX-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
2008KTM150 SX-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
2008KTM50 SX Mini-L--Gap 0.028 (in); Plug Type Number C57; Champion Racing
2007KTM50 SX Pro Jr LC-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
2007PiaggioTyphoon-L--Gap 0.020 (in); Plug Type Number C57; Champion Racing
2007SuzukiRM125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
2006KTM50 SX Pro Jr LC-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
2006KTM50 SX Pro Sr LC-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
2006LEMLX4-L--Gap 0.028 (in); Plug Type Number C57; Champion Racing
2006SuzukiRM125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
2005Gas GasSM 50-L--Gap 0.020 (in); Plug Type Number C57; Champion Racing
2005KawasakiKX125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
2005KTM125 SX-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
2005KTM50 SX Pro Jr LC-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
2005KTM50 SX Pro Sr LC-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
2005LEMLX4-L--Gap 0.028 (in); Plug Type Number C57; Champion Racing
2005PiaggioTyphoon-L--Gap 0.020 (in); Plug Type Number C57; Champion Racing
2005SuzukiRM125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
2005YamahaYZ125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
2004Gas GasSM 50-L--Gap 0.020 (in); Plug Type Number C57; Champion Racing
2004KawasakiKX125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
2004KTM125 SX-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
2004KTM50 SX Pro Jr LC-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
2004KTM50 SX Pro Sr LC-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
2004LEMLX4-L--Gap 0.028 (in); Plug Type Number C57; Champion Racing
2004SuzukiRM125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
2004YamahaYZ125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
2003ATK50 MXLQ-L--Non-Resistor Type; Gap 0.028 (in); Plug Type Number C57; Champion Racing
2003Gas GasSM 50-L--Gap 0.020 (in); Plug Type Number C57; Champion Racing
2003KawasakiKX125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
2003KTM125 SX-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
2003KTM50 SX Pro Jr LC-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
2003LEMLX4-L--Gap 0.028 (in); Plug Type Number C57; Champion Racing
2003LEMR2-L--Gap 0.028 (in); Plug Type Number C57; Champion Racing
2003LEMR3-L--Gap 0.028 (in); Plug Type Number C57; Champion Racing
2003SuzukiRM125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
2003TMMX100-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
2003TMMX85 (17/14)-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
2003YamahaYZ125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
2002Gas GasSM 50-L--Gap 0.020 (in); Plug Type Number C57; Champion Racing
2002KawasakiKX125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
2002KTM125 SX-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
2002LEMLX4-L--Gap 0.028 (in); Plug Type Number C57; Champion Racing
2002SuzukiRM125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
2002TMMX100-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
2002TMMX85 (17/14)-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
2002YamahaSRX700-L--Gap 0.028 (in); Plug Type Number C57; Champion Racing
2002YamahaYZ125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
2001KawasakiKX125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
2001KTM125 SX-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
2001KTM65 SX-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
2001LEMLX4-L--Gap 0.028 (in); Plug Type Number C57; Champion Racing
2001SuzukiRM125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
2001TMMX100-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
2001TMMX85 (17/14)-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
2001YamahaSRX700-L--Gap 0.028 (in); Plug Type Number C57; Champion Racing
2001YamahaYZ125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
2001YamahaYZ80-L--Non-Resistor Type; Gap 0.022 (in); Plug Type Number C57; Champion Racing
2000KawasakiKX125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
2000KTM125 SX-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
2000KTM65 SX-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
2000LEMLX4-L--Gap 0.028 (in); Plug Type Number C57; Champion Racing
2000SuzukiRM125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
2000TMMX80-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
2000YamahaSRX700-L--Gap 0.028 (in); Plug Type Number C57; Champion Racing
2000YamahaYZ125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
2000YamahaYZ80-L--Non-Resistor Type; Gap 0.022 (in); Plug Type Number C57; Champion Racing
1999KawasakiKX125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1999KTM125 SX-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1999KTM250 EGS-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1999KTM65 SX-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1999LEMLX4-L--Gap 0.028 (in); Plug Type Number C57; Champion Racing
1999Ski-DooMach Z-L--Gap 0.016 (in); Plug Type Number C57; Champion Racing
1999SuzukiRM125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1999TMMX80-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1999YamahaSRX700-L--Gap 0.028 (in); Plug Type Number C57; Champion Racing
1999YamahaYZ125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1999YamahaYZ80-L--Gap 0.022 (in); Plug Type Number C57; Champion Racing
1998KawasakiKX100-L--Non-Resistor Type; Gap 0.032 (in); Plug Type Number C57; Champion Racing
1998KawasakiKX125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1998KTM125 Sting-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1998KTM125 SX-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1998KTM250 EGS-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1998KTM65 SX-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1998Ski-DooMach Z-L--Gap 0.016 (in); Plug Type Number C57; Champion Racing
1998SuzukiRM125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1998TMMX80-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1998YamahaMSRX700 Mountain SRX 700-L--Gap 0.032 (in); Plug Type Number C57; Champion Racing
1998YamahaSRX700-L--Gap 0.028 (in); Plug Type Number C57; Champion Racing
1998YamahaYZ125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1998YamahaYZ80-L--Gap 0.022 (in); Plug Type Number C57; Champion Racing
1997KawasakiKX100-L--Non-Resistor Type; Gap 0.032 (in); Plug Type Number C57; Champion Racing
1997KawasakiKX125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1997KTM125 EXC-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1997KTM125 SX-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1997KTM250 EGS-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1997Ski-DooMach Z-L--Gap 0.016 (in); Plug Type Number C57; Champion Racing
1997SuzukiRM125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1997TM125E-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1997TMMX125-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1997TMMX80-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1997YamahaYZ125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1997YamahaYZ80-L--Gap 0.022 (in); Plug Type Number C57; Champion Racing
1996KawasakiKX100-L--Non-Resistor Type; Gap 0.032 (in); Plug Type Number C57; Champion Racing
1996KawasakiKX125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1996KTM125 EXC-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1996KTM125 SX-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1996KTM250 EGS-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1996Ski-DooMach Z-L--Gap 0.016 (in); Plug Type Number C57; Champion Racing
1996SuzukiRM125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1996TM125E-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1996TMMX125-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1996TMMX80-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1996YamahaYZ125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1996YamahaYZ80-L--Gap 0.022 (in); Plug Type Number C57; Champion Racing
1995KawasakiKX100-L--Non-Resistor Type; Gap 0.032 (in); Plug Type Number C57; Champion Racing
1995KawasakiKX125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1995KTM125 EXC-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1995KTM125 SX-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1995KTM250 EGS-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1995Ski-DooFormula Mach Z-L--Gap 0.020 (in); Plug Type Number C57; Champion Racing
1995SuzukiRM125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1995TM125E-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1995TMMX125-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1995TMMX80-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1995YamahaYZ80-L--Gap 0.022 (in); Plug Type Number C57; Champion Racing
1994KawasakiKX125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1994KTM125 EXC-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1994KTM125 SX-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1994KTM250 EGS-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1994Ski-DooFormula Mach Z-L--Gap 0.020 (in); Plug Type Number C57; Champion Racing
1994SuzukiRM125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1994YamahaYZ80-L--Gap 0.022 (in); Plug Type Number C57; Champion Racing
1993KawasakiKX125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1993KTM125 SX-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1993KTM250 EGS-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1993KTM500 SX-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1993Ski-DooFormula Mach Z-L--Gap 0.020 (in); Plug Type Number C57; Champion Racing
1993SuzukiRM125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1993YamahaEX570E Exciter II LE-L--Gap 0.028 (in); Plug Type Number C57; Champion Racing
1993YamahaEX570ST Exciter II ST-L--Gap 0.028 (in); Plug Type Number C57; Champion Racing
1993YamahaEX570SX Exciter II SX-L--Gap 0.028 (in); Plug Type Number C57; Champion Racing
1993YamahaYZ80-L--Gap 0.022 (in); Plug Type Number C57; Champion Racing
1992KawasakiKX125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1992KTM125 SX-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1992KTM250 EGS-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1992KTM300 MXC-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1992KTM500 SX-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1992SuzukiRM125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1992YamahaEX570E Exciter II LE-L--Gap 0.028 (in); Plug Type Number C57; Champion Racing
1992YamahaYZ80-L--Gap 0.022 (in); Plug Type Number C57; Champion Racing
1991KawasakiKX125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1991KTM125 MX-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1991KTM250 DXC-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1991KTM250 EGS-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1991KTM300 MXC-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1991KTM350 EXC-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1991SuzukiRM125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1991YamahaEX570E Exciter II LE-L--Gap 0.028 (in); Plug Type Number C57; Champion Racing
1991YamahaYZ80-L--Gap 0.022 (in); Plug Type Number C57; Champion Racing
1990HusqvarnaWMX 125-L--Non-Resistor Type; Gap 0.020 (in); Plug Type Number C57; Champion Racing
1990KawasakiKX125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1990KTM125 MX-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1990KTM250 DXC-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1990KTM250 EGS-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1990KTM300 MXC-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1990KTM350 EXC-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1990SuzukiRM125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1990YamahaEX570E Exciter LE-L--Gap 0.028 (in); Plug Type Number C57; Champion Racing
1990YamahaEX570H High Altitude-L--Gap 0.028 (in); Plug Type Number C57; Champion Racing
1990YamahaYZ80-L--Gap 0.022 (in); Plug Type Number C57; Champion Racing
1989KawasakiKX125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1989KTM125 EXC-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1989KTM125 MX-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1989KTM250 DXC-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1989KTM350 EXC-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1989SuzukiRM125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1989YamahaEX570E Exciter Deluxe-L--Gap 0.028 (in); Plug Type Number C57; Champion Racing
1989YamahaYZ80-L--Gap 0.022 (in); Plug Type Number C57; Champion Racing
1988KawasakiKX125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1988KTM125 MX-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1988KTM250 MXC-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1988SuzukiRM125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1988YamahaEX570E Exciter Deluxe-L--Gap 0.028 (in); Plug Type Number C57; Champion Racing
1988YamahaYZ80-L--Gap 0.022 (in); Plug Type Number C57; Champion Racing
1987KawasakiKX125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1987KTM125 MX-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1987KTM250 MXC-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1987SuzukiRM125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1987YamahaYZ80-L--Gap 0.022 (in); Plug Type Number C57; Champion Racing
1986HusqvarnaXC125-L--Gap 0.020 (in); Plug Type Number C57; Champion Racing
1986KawasakiKX125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1986KTM125 MX-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1986KTM250 MXC-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1986KTM300 MXC-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1986SuzukiRM125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1986YamahaYZ80-L--Gap 0.022 (in); Plug Type Number C57; Champion Racing
1985HusqvarnaXC125-L--Gap 0.020 (in); Plug Type Number C57; Champion Racing
1985KawasakiKX125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1985KTM125 MX-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1985KTM250 MXC-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1985SuzukiRM125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1985YamahaYZ80-L--Gap 0.022 (in); Plug Type Number C57; Champion Racing
1984KawasakiKX125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1984KTM125 MX-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1984KTM250 MXC-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1984SuzukiRM125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1984YamahaYZ80-L--Gap 0.022 (in); Plug Type Number C57; Champion Racing
1983HusqvarnaXC125-L--Gap 0.020 (in); Plug Type Number C57; Champion Racing
1983KawasakiKX125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1983SuzukiRM125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1983YamahaIT175-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1983YamahaYZ100-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1982HusqvarnaXC125-L--Gap 0.020 (in); Plug Type Number C57; Champion Racing
1982SuzukiRM125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1982YamahaIT175-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1982YamahaYZ100-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1981SuzukiRM100-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1981SuzukiRM125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1981SuzukiRS250-L--Gap 0.032 (in); Plug Type Number C57; Champion Racing
1981YamahaIT175-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1981YamahaTZ250-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1981YamahaYZ125-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1980SuzukiRM100-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1980SuzukiRM125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1980SuzukiRS250-L--Gap 0.032 (in); Plug Type Number C57; Champion Racing
1980YamahaIT175-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1980YamahaTZ125-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1980YamahaTZ250-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1980YamahaYZ125-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1979SuzukiRM100-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1979SuzukiRM125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1979YamahaIT175-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1979YamahaYZ125-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1978SuzukiRM100-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1978SuzukiRM125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1978YamahaSR433-L--Gap 0.016 (in); Plug Type Number C57; Champion Racing
1978YamahaYZ125-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1977SuzukiRL250-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1977SuzukiRM100-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1977SuzukiRM125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1977YamahaYZ125-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1976Sno-JetSST 440-L--Gap 0.020 (in); Plug Type Number C57; Champion Racing
1976SuzukiRM100-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1976SuzukiRM125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1975Sno-JetSST 440-L--Gap 0.020 (in); Plug Type Number C57; Champion Racing
1975SuzukiRM125-L--Non-Resistor Type; Gap 0.024 (in); Plug Type Number C57; Champion Racing
1975YamahaSR292-L--Gap 0.016 (in); Plug Type Number C57; Champion Racing
1975YamahaSR643-L--Gap 0.016 (in); Plug Type Number C57; Champion Racing
1974Sno-JetSST 440-L--Gap 0.020 (in); Plug Type Number C57; Champion Racing
1973Arctic CatPanther 440-L--Gap 0.016 (in); Plug Type Number C57; Champion Racing
1973Arctic CatPuma 440-L--Gap 0.016 (in); Plug Type Number C57; Champion Racing
1973Sno-JetSST 440-L--Gap 0.020 (in); Plug Type Number C57; Champion Racing
1973YamahaATMX-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1973YamahaEW643-L--Gap 0.020 (in); Plug Type Number C57; Champion Racing
1973YamahaRT2-L--Gap 0.028 (in); Plug Type Number C57; Champion Racing
1972Arctic CatPanther 440-L--Gap 0.016 (in); Plug Type Number C57; Champion Racing
1972Arctic CatPuma 440-L--Gap 0.016 (in); Plug Type Number C57; Champion Racing
1972YamahaAT2M-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1972YamahaTR3-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1971Arctic CatPanther 440-L--Gap 0.016 (in); Plug Type Number C57; Champion Racing
1971Arctic CatPuma 440-L--Gap 0.016 (in); Plug Type Number C57; Champion Racing
1971YamahaAT1M-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1970YamahaAT1M-L--Gap 0.024 (in); Plug Type Number C57; Champion Racing
1969YamahaSS338-L--Gap 0.020 (in); Plug Type Number C57; Champion Racing
Directly replaces or cross-references 19 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Autolite — 4062CSF — 2611AG501AG501XB9EGB10ESC57CR56869F09CSN1N57N59GN84N84GQN1R5671A10S40XLS40XLRW31ESU