General description A set of 8 spark plug wire boots designed for SBC BBC 350 454 engines, made from durable double wall braided fiberglass. These heat shield protectors are affordable, reliable, and built to last, ensuring long-term use. Technical specifications Heat resistance: Continuous use from 1200°F to 1800°F, 2500°F intermittent Length: 6 inches Inner diameter: 0.087 inches Compatibility and accessories Fits all spark plug boots and spark plug warmer socks Compatible with 90 degree, 45 degree, and straight spark plug boots Installation Easy installation by slipping on the boot (sewn end over spark plug) for maximum protection Usage Designed for gasoline burning vehicles