ACCEL 4050 SuperStock 4000 Series Spark Plug Wire Set Uniquely engineered to upgrade tired 8MM Original Equipment Manufacturer spark plug wires Custom fit for Chevy 305s and 350s 450 degree rated silicone jackets in classic ACCEL yellow extruded over rugged tightly woven fiberglass braids Graphite suppression that eliminates RFI Custom fit for General Motors Mopar Ford and Jeep V8s