The best spark plug wires available. QuickCar has the answer to more spark energy! The new wire features an 8mm wire, with heat sleeve for a 11.5mm total O.D., and is under 40 ohm/ft. resistance. QuickCar Sleeved Race Wire has a very quick spark energy transfer while also providing a very high Electro Magnetic (EMI) and Radio Frequency Interference (RFI) suppression. Constructed using two layers of the purest silicone available, the Kevlar core center and nickel-copper alloy wound conductor provides a very flexible, high-tensile strength spark plug wire that improves engine The QuickCar competition sleeve is made of a silicone impregnated fiberglass braid, tightly fitted over the entire wire length adding over 1400 degrees F of total heat resistance and 24,000 volts of insulation. Oil and abrasion resistant, can be easily cleaned to maintain the original color finish. Double insulated shrink sleeves at each boot end seals, protects, and secures the boot to the wire. Numerically numbered at both ends provides quick reference of the firing order. High temperature silicone boots provide ultimate heat protection, resisting temperatures to 600 degrees F, and the posi-snap lock stainless steel spring clip terminals provide a vibration-free connection. The QuickCar Race Sleeved Race Wire works with most ignition systems, ignition controls, computers, and most other electronic devices. Pre-terminated wire sets for Small Block Chevrolets, under the headers. Includes 24" HEI/HEI Coil Wire. Available in competition red and race black for the quickest level of racing power! Additional coil wire lengths are available separately.