Autolite Copper Spark Plug, A3926

Guaranteed to deliver quick starts, good fuel economy and smooth acceleration, Autolite Copper Core Spark Plugs are your industry standard. Autolite is America's best-selling spark plug.

AUTOLITE Copper Spark Plugs: Guaranteed to deliver quick starts, good fuel economy and smooth acceleration Copper core center electrode for higher thermal conductivity Specially engineered high nickel alloy center and ground electrode for extended life High alumina ceramic for high dielectric strength Leak proof, heat fused internal seal for durability Multi-rib insulator prevents flash-over 2 year limited warranty