Thermo-Tec Cool-It Plug Wire Sleeves

4.75 out of 5 stars 24 Customer Reviews

Thermo-Tec Cool-It plug wire dual-purpose sleeves enhance performance, reduce misfires, extend plug wire life, and will not react with petroleum products. Their double-wall construction keeps the wire and boot cooler in a high-temperature engine. Their universal size fits most boots, they're easy to install, and most importantly, are non-flammable. Cool-It plug wire sleeves can be used in any temperature environment from street vehicles to motor homes. These unique spark plug and ignition wire protectors come in a variety of colors.

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