Provides more horsepower to spark plugs than OEM resistor core wires with up to 10 times less resistance.
The top choice of racers and enthusiasts!
100% silicone inner core and outer jacket keeps wires flexible for the life of your vehicle
Add more horsepower and dress up your engine! A must when using a stock or aftermarket multi-spark discharge ignition system, electronic ignitions and on-board computer systems. Spiro-wound core consists of a high conductive resistor conductor spiral with stainless steel wire and covered with fluorocarbon conductive material. Long lengths make it ideal for all custom wire looms. Eliminates radio frequency interference (RFI). 2 layers of 100% pure silicone make it the highest temperature rated wire on the market (600°F) with no need for additional sleeving. Features the exclusive low profile, 100% silicone Pro Boot® with grips and vibration proof double-spring locking spark plug terminals. Shipped separately from factory. NOTE: SKU numbers ending in F are factory shipped and may take a little longer to reach you.