Protect-A-Boots XL Ringless solve the problem of burning and cracking plug boots and wires from header and engine heat. Protect-A-Boots are made from a high temperature resistant glass fiber material and treated with a proprietary coating, Protect-A-Boots XL Ringless provide spark plug boot and wire protection from extreme under hood heat and helps prevent burn-through, hardening and cracking of boots. For thicker boots, like MSD or Taylor's, we recommend our Protect-A-Boot Ringless Sleeves
Installation Instructions