Features: Protects spark plug Universal straight or diagonal boot protects spark plug sheath and wire from temperatures generated by vehicle exhaust manifold and manifold.Burn proofKeeping the wire and trunk cooler in high temperatures helps burn through, harden and crack dust jackets that can cause engine fire and damage.Fiber materialMade of fiber,double layer construction for increased durability.Helps prevent burn-through hardening and cracking of the dust boot that may cause engine flame and damage.1200 degrees toleranceThese Fire Boots are designed for extreme protection of spark plug boots and wires, in excess of 1200 degrees Fahrenheit.They are used from ultimate race cars, street vehicles, to motor homes.Easy InstallEasy Install, you can do it in seconds. Keep the wires and luggage cooler in a high temperature environment.Avoid burning through, hardening and cracking of the dust boot that may cause the engine to catch fire and damage.Specifications:Material:Normal fiberColor:Black,red,blueSize(about):15.5x3.5x2.5cm/6.1x1.4x1inch(LxWxH)Package Included:8pcs x Spark Plug Wire BootsNote:1. Due to the light and screen difference, the items color may be slightly different from the pictures.2. Please allow 0.5-2 cm differences due to manual measurement.