NGK Spark Plug Resistor Covers

Meet the required noise suppression standards of your powersports application with NGK spark plug resistor covers! Using these covers reduces the electromagnetic and radio frequency interferences that can disrupt the proper operation of your ignition components, leading to misfires and poor engine operation. Designed to withstand extreme heat and vibration, NGK resistor covers prevent flash-over and are waterproof for superior performance. They're constructed with durable phenolic resin, EPDM rubber, and ceramic resistors for the best in performance and reliability. Available in various shapes and sizes, NGK spark plug resistor covers provide OE fit, form, and function for removable and solid terminal nut spark plugs. When you demand the best, NGK resistor caps are up to the challenge. Show Less