Trans-dapt Performance products' Spark plug boot protectors slide over the spark plug wire boots to provide thermal protection from your exhaust manifolds or headers.
 
Part # ProductCapacityColorFinishLengthTransmission Media
8815 SPARKPLUG WIRE BOOT PROTECTORS (4 pcs.); Universal Fit; 6" Long- SILVER SILVER6"
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$52.94
 
http://hedman.com/images/ePIM/original/8815.jpg