Product Summary

Universal Fit, Gasket Spark Plug Seat Style

  • Has a 14mm thread pitch and a 5/8" wrench size
  • Features a nickel alloy ground and center electrodes
  • Specially designed to fit Brodix and other aftermarket aluminum heads
  • A copper core center electrode allows for increased conductivity and heat control
  • Plugs include all the features of their conventional plugs, but are built with extreme engine conditions and durability in mind

Key Specs

MFG. Part #792 C59YC

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Projected tip for gasoline. For Brodix and other aftermarket aluminum heads. For most magneto fired ignitions. Sprints and Late Models. 14mm plug, .750" reach, 5/8" hex.

Plug gap will depend on output of distributor and fuel being used. Most applications using methanol will be at .022" - .025". If your ignition sytem is a higher output, maybe able to go as wide as .030". Gas application should be .030" - .035". You should also consult manufacturer of distributor for their recommendations.

Champion Racing Series plugs include all the features of their conventional plugs, but are built with extreme engine conditions and durability in mind.

  • Nickel Alloy Ground and Center Electrodes
  • Copper Core Center Electrode Allows for Increased Conductivity and Heat Control
  • 14mm, .750" reach, 5/8" hex
  • Projected Core Nose
  • Heat Range: Cold (59)

Item Details

.750" Reach, 5/8" Hex



CARB Warning

For race/ off road use only

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.


MFG. Part #792 C59YC
Spark Plug Seat StyleGasket
Seat TaperGasket
Spark Plug Reach0.75"
Thread Pitch14mm
Insulator TypeProjected
Spark Plug Heat Range59
Core MaterialCopper
Tip MaterialCopper
Wrench Size5/8"
Sold in QuantityEach
GTIN Code037551005710