NGK Spark Plug Boot 8413

Spark Plug Boot. (8413) by NGK

When you require Original Equipment fit, form and function demand the best NGK Resistor Caps. NGK Resistor Caps are designed to reduce electro magnetic interference and radio frequency interference which can interfere with electronic ignition components causing misfires and poor engine performance. This superior design ensures optimal service life and performance. Resistor covers are for motorcycle, marine, snowmobile and small engine applications only.