Wiring Heat Shield & Protection

There are different ways to install heat shields over wires. If the wiring is not connected, thermal heat sleeving is a great option. Wire is simply passed through it as it provides 360 degrees of protection without a split in the tubing. For applications where the wiring is already connected, aluminized heat sleeves are a great option. These sleeves are split and use hook and loop tape, which allows you to wrap and seal the insulation around the wiring. Another option is heat shield tape, which wraps around wiring like electrical tape, but with enhanced heat deflection properties.

Spark plug wire heat shield boots install by sliding over the end of the boot and up over it and some of the spark plug wire. When installing, the best practice is to keep them from touching headers. The spark plug wire boot can then be installed back onto the spark plug. Finally, confirm that the boots are clear of the hot exhaust manifold and headers, which will extend their lifespan.

The cleaning process of a plug wire heat shield depends on the material it is made from. If it is made from aluminum, a mild detergent and gentle scrub brush can be used to break apart any debris and contaminants that are easy to remove. For tougher stains and deeper cleaning, a stronger brush and chemical will be required. A soft-style heat shield will require gentler methods to avoid damaging it.

A JEGS expert is ready to answer your questions and help you find the wiring heat shields, wire looms, cable tie tool, and any other heat protection products that you require for your specific vehicle application.