Check the listing for details. Spark Plug Wire Boots Heat Shield Protector Sleeve 2500 Degree 6 Inch Blue 8Pcs. Condition: New. Listed at 12.39 USD. About the item Pack of 8 Blue Color High-temperature Resistance: The spark plug wire boot is made from materials that can withstand temperatures of up to 2500 degree, protecting your spark plug wires from damage caused by high engine temperatures. Universal Perfect Fit: This spark plug wire boots heated shield is designed to fit most motor vehicle engines and is easy to install, making it a versatile addition to any engine bay. Improved Engine Performance: By reducing the heat that's transferred to your spark plug wires, this spark plug wire protector can help to improve ignition performance and reduce the risk of misfires.Durable Protection: The spark plug heat sleeve provides reliable protection for your spark plug wires, helping to prevent premature wear and damage. Essential Component: Whether you're building a high-performance engine or just want to protect your existing engine from heat damage, this spark plug heat protection is an essential component that can help to extend the life of your engine wires.