• Heat-Resistant Material: 8-piece spark plug wire heat shield made with double-layer woven alkali-free glass fiber tubing. Effectively keeps spark plug wires and plugs cool in extreme heat conditions, significantly extending ignition wire service life
• High Temperature Resistance: These spark plug boots feature a sleek design with unmatched heat resistance. Withstands continuous exposure to 1200°F–1800°F (650°C–980°C) and short-term spikes up to 2500°F (1370°C). Reduces misfires by shielding wires/plugs from engine bay and exhaust heat damage
• Universal Fit & Tool-Free Installation: 6 inch length with 0.66 diameter accommodates 90°, 45°, and straight boot configurations. Quick-installation tip: Insert seamed end into boot first, then gently thread the sleeve over spark plug wire harness
• Broad Vehicle Compatibility: This universal spark plug wire protector fits most angled and straight spark plug wires. Suitable for most modified and classic vehicle engines, such as SBC, BBC, 350, and 454 engines