You paid dearly for that new spark plug wire set, protect your investment. These Fire Boots are designed for extreme protection of spark plug boots and wires, in excess of 1200 degrees Fahrenheit. (648.8 Celsius) They are used from ultimate race cars, street vehicles, to motor homes. (Many NASCAR and Professional Teams use these boots for extreme protection.) The Boots are woven with two layers of high temperature fiberglass material. Keep your wire and boot cooler in a high temperature environment. Fit is universal for most angled and straight boots. Helps reduce misfires Enhance Performance Extends life of wire & boots Non-Flammable Resists damaging chemicals Looks great Easy installation Length 6 inches (15.2 cm) 6 VIBRANT COLORS AVAILABLE: NATURAL, BLACK, RED, BLUE, YELLOW, ORANGE, & SILVER Sold individually or sets, to fit your needs. ________________________________________ Please note that we are able to ship to a PO Box, APO/FPO or to any address outside of the 48-state