Autolite Racing Spark Plug AR-3934 (Sold Individually)
Cold-hearted in all the right ways. The Autolite AR3934 is a non-resistor, short-reach, copper-core spark plug made for high-compression, high-horsepower madness. Heat range? Cold. Vibes? Hostile. It’s the plug you run when your tune is rowdy and your engine's one bad decision from glory.
Gap it tight, send it harder. Add to cart and let the combustion therapy begin.
"Installed on BBC, 454. Fit in Brodix Race Rite "O" aluminum cylinder heads. Runs great! Nice plugs!"-Dana Harp
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AUTAR-3934
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