ACCEL ACC 4049 8mm Super Stock Graphite Custom Wire Set - Yellow Uniquely engineered to upgrade tired 8MM Original Equipment Manufacturer spark plug wires Custom fit for GM small blocks with HEI ignitions 450 degree rated silicone jackets in classic ACCEL yellow extruded over rugged tightly woven fiberglass braids Graphite suppression that eliminates RFI High dielectric strength inner insulation