Hi-Performance Racing Spark Plug
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Autolite Hi-Performance Racing Spark Plug

Part No. AR3932X Warranty Details  

Fit of this part varies by vehicle & equipment specs Type of Fit

Actual racing spark plug used by many professional race car drivers. Provides a new Yttrium enhanced alloy allowing up to 8% reduction in sidewire temperature*, anti-corrosive nickel plating and cut back ground electrode for improved ignitability.
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1 Question | 1 Answer
Displaying question 1
  • Q:

    I have bought a pro street car that has this plug in it. 427 chevy crate motor with 12.5 -1 comp has alum heads with a 850 quik fuel carb. they told me it has 650 hp and running 112 fuel in it. trying to find out if that is right plug to use.
    Asked on 6/25/2013 by Pete from Conestoga, Pa,17516

    1 answer

    • CUSTOMER CARE

      A:

      This Autolite Spark Plug-Racing (Part No. AR3932X) is designed specifically for the Nascar/Arca Series racers. Autolite Racing Hi-Performance are actual racing spark plugs used by many professional car drivers. It provides cut back ground electrode, anti-corrosive nickel plating and large ground electrode for better heat transfer. For any further assistance, please feel free to call us at 1-877-238-2623 or visit your nearest Advance Auto Parts store and one of our representatives would be more than happy to assist you.

      Answered on 6/25/2013 by Max from AAP
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