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 Fits Select: 2003 FERRARI ENZO and more - add your vehicle to our fit widget to check