ACCEL 4076 SuperStock 8mm 4000 Series Yellow Graphite Spark Plug Wire Set Upgrades tired Original Equipment wires for high performance street use Custom fit forToyota inline 4 cylinder engines 450 degree rated silicone jackets in classic ACCEL yellow Rugged tightly woven fiberglass braids guard against current leakage and oil and solvent damage Features graphite suppression that eliminates RFI