Spark plug boot heat socks protect the performance of your expensive plug wire set and increase their lifetime.
Insul-Boots prevent misfires caused by burnout of plug wires.
This helps to prevent critical engine damage and loss in performance.
This heat shield for spark plug boots features double wall construction that provides superior protection.
Special heat coatings allow these heat shields for spark plug boots to reflect and dissipate heat.
Insul-Boots are available in six ceramic colors: red, blue, black, tan, yellow, and orange, and withstand temperatures up to 1200F.
The universal design fits most boots, even at 90 degrees.
Easy installation involves placing the ring side on the end of the spark plug boot and sliding the wide end towards the wire, with the ring side of the Insul-Boot resting between the cylinder head and the top of the plug boot.
