Vibrant 25891 Spark Plug Boot Insulator Black 3/4" Diameter (4-Pack)

Vibrant's Spark Plug Boot Insulators offer high temperature protection in an easy slip-on braided fiberglass sleeve that prolong the life of your expensive spark plugs. They require no clearance from hot surfaces and protect up to 1200 deg F (650 deg C). Available in Natural or Black in 3/4" diameter.