These high temperature sleeves can be used for ignition wires, spark plug wires and even fuel lines to prevent vapor lock. Highly flexible and abrasion resistant, they offer maximum protection against spark loss. The inside is braided continuous e-glass insulation good up to 1000F. The silicone outer surface is good for temperatures up to 500F.
Cuts easily with a razor knife to desired lengths.
The part number for this item is Thermo-Tec 14040 . It has a 3/8" inner diameter and is 25' long.