Michigan Motorsports 4" Spark Plug Wire Protector Sleeves | Set of 8 | High-Temp Fiberglass Heat Shields | Universal fit for LS Gen V LT and Other V8 Engines | Multiple Color Options (Black)

The Michigan Motorsports 4" Spark Plug Wire Protector Sleeves are built to guard your ignition wires against extreme header and manifold heat. Made from premium woven fiberglass, these high-temp sleeves prevent cracking, burning, and premature wear, ensuring reliable spark delivery and longer wire life. Each set includes 8 sleeves, covering a complete V8 application, and installs easily by slipping over the spark plug boots. Available in Black, Blue, or Gray finishes, they not only provide superior protection but also give you the choice of a clean, stealthy, or custom under-hood look. Perfect for LS, LT, or any high-performance V8 engine.

• High-Temp Fiberglass Construction – Withstands extreme engine bay temperatures, shielding spark plug wires from exhaust heat and preventing costly misfires.
• Universal 4" Length – Each sleeve is 4" long, providing excellent coverage around spark plug boots while maintaining flexibility for quick, hassle-free installation.
• Prevents Heat-Related Failures – Protects against cracking, burning, and wire degradation caused by high exhaust temps, ensuring reliable ignition and engine performance.
• Complete Set of 8 – Enough sleeves included to protect all spark plug wires on any V8 engine, whether LS, LT, or other small-block and big-block applications.
• Available in Multiple Colors – Choose from Black for a stealth look, Blue for a performance touch, or Gray for a clean OEM-style finish to match your build’s theme.