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Mr. Gasket spark plug boot insulator sleeves will protect your expensive spark plugs from excessive exhaust heat due to close-fitting aftermarket headers. They're made from tightly woven fiberglass material and formed into double-layered sleeves to withstand temperature surges of up to 1,200 degrees and up to 500 degrees continuously.
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Spark Plug Boot Protector, Boot Insulators, 7.5 in., Silver, Pair
Part Number: MRG-11077
Estimated Ship Date: 12/23/2013 (if ordered today)
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