NGK Spark Plug Cap VD05F

Resistor covers may be required for power sport applications when spark plugs alone don't provide sufficient noise suppression. Designed to reduce electro magnetic interference and radio frequency interference, which can interfere with electronic ignition components, causing misfires and poor engine performance.Highly durable phenolic resin and EPDM rubberCeramic resistors ensure optimum performance and reliabilityBuilt to withstand extreme heat and vibrationPrevents flashoverEnsures optimal service life and performance