Spark Plug Caps

Replacement NGK spark plugs caps suitable for all motorcycle NGK spark plugs and other spark plug manufacturers, available in straight, 90 degree or 120 degree variants, designed for 10 mm,12 mm and 14 mm diameter spark plugs

NGK Resistor Spark Plug Caps are manufactured using extremely durable Phenolic Resin and EPDM Rubber, ceramic resistors are used to ensure optimum performance and reliability

NGK Resistor Spark Plug Caps

  • Resistor Covers are for Motorcycle, Marine, Snowmobile and Small Engine applications only

NGK EPDM Rubber Spark Plug Caps

  • Please note EPDM rubber construction spark plug caps are intended for competition use