Taylor Thunder Volt 8.2mm ignition wires are dyno tested and proven to increase horsepower and torque.Designed with a Ferrite spiral-wound core coated with a blend of copper/nickle bonded with a conductive acrylic cover for only 40 ohms perf oot of resistance with optimum RFI and EMI suppression. A two-layer 100% Zimplex silicone outer jacket for heat protection up to 600°. Gray silicone plug boots with vibration proof double spring locking terminals are included with each set..Made in USAApplication Note: This Universal Fit set will require cutting to fit terminating and booting the distributor end. Set includes both standard socket and HEI boots with the appropriate terminals. {specs}