The Design Engineering Protect A Boot Spark Plug Boot And Wire Protection will protect your Spark plug boots from the extreme heat generated by the headers or exhaust manifolds. Constructed from a Fibreglass composite material, they install in seconds and come in a range of colours.High heat protection for spark plug lead bootsPrevents burning, cracking, melting or hardening of the boots due to excess heatUniversal fitting, suitable for straight or angled bootsCapable of withstanding radiant heat up to 1800°F (982°C)Reinforced base ring to allow for easy plug removalDesign Engineering protect-a-boots prevent burning, hardening and cracking of the plug lead boots that can cause misfiring. If the ignition leads are very close to the headers, it is still advisable to wrap the header with exhaust wrap in the problem area in addition to the protect-a-boots.Sold in packs of 2 or 8 and are 6" (152mm) in length