HS408000: Heatshield Insul-Boot Spark Plug Wire Boots Beige, 1" id x 8" L, 8 packDescription Insul-Boot Spark Plug Wire Boots Protect your pricey plug wire sets while increasing their lifetime. Insul-Boots prevent misfires caused by plug-wire burnout. This helps avoid loss in performance and crucial engine damage. Double wall building provides remarkable defense. Special layers enable boots to dissipate and reflect heat. Insul-Boots are offered in 2 colors- black & & beige. They endure up to 1200 Degrees F. Universal design fits most boots-even 90 Degree. Easy setup: place ring side on end of spark plug boot and slide the open end to the wire. Size: 1" id. X 8".- Sold in sets Of 2. Requirements: Withstands as much as 1200 Degrees F Universal size fits most boots-even 90 Degrees Dissipates and reflects heat Easy installation Available in two colors- black & & beige Colored boots include ceramic paint, not low temperature acrylic like competitors.