NGK Spark Plug Caps (Resistor covers). Available in 0, 5K Resistance (Ohms). These caps are just right for the RDs and other 2 stroke vintage Japanese twins. These caps are for the 14mm spark plugs, with a 90 degree angle (elbow) for terminal studs and come with special waterproof covers.

**These plug caps have been discontinued by NGK – selling our remaining stock**