ACCEL 8954 8.8 mm Graphite Spark Plug Wire Set Upgrades tired Original Equipment wires for high performance street use Ford, Lincoln and Mercury 5.0L and 7.5L V8s 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