Designed for extreme heat environments, ACCEL’s Extreme 9000 Ceramic Wire Set improves spark delivery and durability where ordinary boots fail. The 8 mm Ferro-Spiral core ensures low resistance and excellent RFI suppression, while double-silicone insulation handles 600 °F continuous heat. Ceramic plug-end boots withstand up to 2,000 °F—perfect for engines running tight headers or confined bays. Factory-length construction guarantees a precise fit on LS-series and Gen V GM V8s. Stainless-steel Includes performance ignition coil Adjustable vacuum advance Easy access fully adjustable mechanical Advance Fit non-computerized vehicles