Aluminium Spark Plug Insulation Boot Heat Shield Protector Black Pack 4 aFe Header Spark Plug Boot Protector Set of 6 Twisted Steel Headers (48 90001) How To Protect Spark Plug Wires From Headers S0896eb97187f46fa8207d65cb40386e0d.jpg. aFe Header Spark Plug Boot Protector Set of 6 Fits most vehicles with Twisted Steel Headers Part #: 48 90001 Overview The aFe Header Spark Plug Boot Protector Set of 6 is an essential accessory designed to safeguard your spark plug wires and boots from the intense heat generated by aftermarket headers. Crafted by aFe, a renowned name in high performance automotive parts, these boot protectors are engineered to enhance the durability and reliability of your ignition system during spirited driving or daily use. Whether you're upgrading your vehicle for increased performance or simply want to prevent costly misfires caused by heat damage, these protectors provide a practical solution. Constructed with high quality materials, the aFe spark plug boot protectors help maintain optimal ignition performance by reducing the risk of arc over and boot deterioration. They are especially beneficial when installing headers, which can significantly increase under hood temperatures. By shielding your spark plug boots from heat, you'll enjoy improved ignition stability, reduced maintenance, and peace of mind knowing your vehicle is protected under demanding conditions. Key Features The aFe Header Spark Plug Boot Protector Set offers a range of features tailored for performance enthusiasts and everyday drivers alike: Heat Resistant Fiberglass Material: Made from heat treated fiberglass, these protectors can withstand temperatures up to 1200F, effectively shielding your spark plug boots from extreme heat sources such as headers and exhaust manifolds. Enhanced Fire and Arc Over Prevention: The high temperature fiberglass reduces the risk of electrical arc over caused by burned or cracked boots, ensuring consistent spark delivery and reliable engine performance. Universal Fitment: Designed to fit over most standard spark plug wire boots, making them versatile for a wide range of vehicles equipped with aftermarket headers. Durable Construction: The heat treated fiberglass is resistant to cracking, melting, or degrading over time, providing long lasting protection in demanding environments. Easy Installation: Simply slide the protectors over your existing spark plug boots; no special tools or modifications are required. Protects Up To 1200F: Ensures your ignition system remains safe even under the highest under hood temperatures encountered during aggressive driving or header installation. Construction & Design The aFe spark plug boot protectors are meticulously crafted from heat treated fiberglass, a material known for its exceptional thermal resistance and durability. The flexible yet sturdy design allows for easy installation over existing spark plug boots without damaging or compressing the boots themselves. The protectors are engineered to withstand extreme temperatures, preventing heat transfer from headers and exhaust components to the ignition system. This construction not only prolongs the life of your spark plug wires but also maintains optimal engine performance by reducing electrical misfires caused by heat related issues. The protectors' design ensures a snug fit, preventing movement or slippage during engine operation. Their lightweight construction adds no unnecessary bulk, maintaining the ease of service and inspection. Overall, the combination of high quality materials and thoughtful design makes these protectors a reliable upgrade for any vehicle with aftermarket headers. Installation & Fitment Installing the aFe Header Spark Plug Boot Protectors is straightforward and requires no special tools. Simply slide each protector over your existing spark plug boots before or after header installation. They are designed to fit most standard spark plug wire boots, making them a versatile addition to your vehicle's ignition system. No cutting, drilling, or tuning is necessary, and the protectors will not interfere with normal engine operation. For best results, ensure the boots are clean and dry before installation to achieve a secure fit. Easy slip on installation No modifications required Suitable for most vehicles with aftermarket headers What's Included Set of 6 heat treated fiberglass spark plug boot protectors Ideal For Performance enthusiasts installing headers or high temperature exhaust components Daily drivers seeking increased ignition system reliability Off road and racing applications where under hood temperatures are elevated Anyone looking to extend the lifespan of spark plug boots and wires