SPARK PLUG BOOT HEAT SHIELD - RED

Protect your ignition system with the original spark plug boot heat shield trusted by professionals. Insul-Boot shields withstand up to 1200°F, prevent misfires, and extend plug wire life—even in direct contact with headers or manifolds.

• Reflects and dissipates radiant heat for improved performance
• 1 inch inner diameter fits most spark plug boots, including 90° styles
• Durable double-wall construction for maximum heat protection
• Made in the USA with high-quality materials