Champion 791 C57YC 14mm Spark Plug, .750 Reach, 5/8 Hex, 57 Heat Range
Champion 791 C57YC 14mm Spark Plug, .750 Reach, 5/8 Hex, 57 Heat Range
Champion

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#271C57YC

Champion 791 C57YC 14mm Spark Plug, .750 Reach, 5/8 Hex, 57 Heat Range

$6.29

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Product Summary

Gasket Spark Plug Seat Style, 0.75" Spark Plug Reach

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    Key Specs

    MFG. Part #791 C57YC
    BrandChampion
    Thread Pitch14mm
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    Champion 791 C57YC Details

    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: Colder (57)

    Item Details

    .750" Reach, 5/8" Hex

    Application

    Charts

    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.
    CARB warning

    Champion 791 C57YC Specifications

    KEY SPECS
    MFG. Part #791 C57YC
    BrandChampion
    Thread Pitch14mm
    GENERAL
    Spark Plug Seat StyleGasket
    Spark Plug Reach0.75"
    ResistorNo
    Insulator TypeProjected
    Spark Plug Heat Range57
    Core MaterialCopper
    Tip MaterialNickel Alloy
    Wrench Size5/8"
    Sold in QuantityEach
    GTIN Code037551005680
    Customer Impersonation Script