ACCEL 4021ACC SuperStock 8mm 4000 Series Yellow Graphite Spark Plug Wire Set Upgrades tired Original Equipment wires for high performance street use Designed for Straight 6s and V6s 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