NGK CR5 8515 Spark Plug Covers

NGK Racing Cables are designed for the serious racing enthusiast, designed to improve sparking energy leading to improved engine performance. High temp silicone outer jackets, solid copper wire strand core and high temp resistor covers provide durable construction. Resistor covers include 5k ohm ceramic resistors to reduce electro magnetic interference and radio frequency interference, which can interfere with electronic ignition components, causing misfires and poor engine performance. Universal cables are designed to fit most Motorcycle, Marine, Snowmobile and Shifter Kart applications. Specifications: - Material: Silicone - Wire Length: 100cm - Outer Diameter: 7mm