Double Wall Fibreglass Sleeves Protect Spark Plug Wires and Boots to 650°C.

For years, INSULTHERM braided fibreglass sleeving has been the first choice among automotive professionals and enthusiasts alike for many of their thermal protection applications. Now, we're introducing the same high temperature protection in an easy slip on sleeve that will extend the life of expensive spark plug wires by protecting them where they need it most - at the boot.   Just slip these 19mm diameter double thickness (triple thick at the sewn end) sleeves over any spark plug cable and boot (even right-angle boots) to protect them from engine temperatures in excess of 1200°F (650°C).   Once installed, the sleeves require no clearance from hot surfaces and can even rest directly on hot exhaust headers without any effect. Insultherm Spark Plug Sleeves are completely non-conductive, resist all engine chemicals, will not support combustion and provide an easy, economical solution to the challenge of wire protection in the cramped, high temperature environment of any high performance engine compartment.

NEWS FLASH:  Insultherm Spark Plug Boots are now available in 4 colours - Natural, Blue, Red and Black.

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