ACCEL now offers the cure for burnt spark plug wire boots with Extreme 9000 Ceramic Wire kits. The 8mm Ferro-Spiral core wire now has ceramic boots on the spark plug end of the wires that will withstand up to 2,000° F. If you are running headers with close tolerances, an engine bay with little room, or an RV with boots that melt because of heat, these wire kits are the answer for burnt and melting boots. The ACCEL Extreme 9000 Ceramic wire sets have an ultra high temperature double silicone construction wire rated at 600° F. Rated at 500-ohms per foot of resistance, the Ferro-Spiral core is developed & designed for performance use. It provides excellent energy delivery to the spark plugs, while providing the highest level of RFI/EMI suppression. These universal kits are available with either Straight Boots, 90° Boots, or even 115° Ford style boots. The ceramic boots are pre-installed from the factory at the spark plug end. • Ceramic spark plug boots cannot be burned – even if the headers glow red • Spiral wound wire core is safe for electronic ignitions • Improves engine performance, quicker throttle response and reduced emissions • Perfect for extreme use vehicles like hot rods, racecars, trucks and RV’s