8X Black 6" Spark Plug Ignition Wire Boot Heat Shield Protection Insulator Sleeve Cover SOLD & WARRANTY BY ANZIO! Universal fit for vehicles such as ultimate race cars, street vehicles, to motor homes Work as a Radiant Heat Barrier or can be placed Directly on Heat Source Protect Plug Wires and Boots from Excessive Engine and Exhaust Heat Double-Layer High Temperature Fiberglass. Withstand 1200F Direct Continuous Heat Non-Flammable. Protect against Chemicals & Resist Water