Protect-A-Boots 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...

Titanium Protect-A-Boots are the latest in thermal protection technology for spark plug boot protectors. Developed from a unique material mined from lava rock, stranded and woven into a proprietary...

Protect-A-Boots 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...

Titanium Protect-A-Boots are the latest in thermal protection technology for spark plug boot protectors. Developed from a unique material mined from lava rock, stranded and woven into a proprietary...

Titanium Protect-A-Boots(TM) XL are the latest in thermal protection technology for spark plug boot protectors. Developed from a unique material mined from lava rock stranded and woven into a...

Black Titanium(TM) Protect-A-Sleeve solves the problem of burning, cracking plug wires, lines & hoses from engine & exhaust heat, now in a stylish black finish. DEI's Black Titanium Protect-A-Sleeve...

Black Titanium(TM) Protect-A-Sleeve solves the problem of burning, cracking plug wires, lines & hoses from engine & exhaust heat, now in a stylish black finish. DEI's Black Titanium Protect-A-Sleeve...

Black Titanium(TM) Protect-A-Sleeve solves the problem of burning, cracking plug wires, lines & hoses from engine & exhaust heat, now in a stylish black finish. DEI's Black Titanium Protect-A-Sleeve...

Form-A-Shield(TM) solves the problem of needing a direct contact, extreme heat barrier. Capable of withstanding direct heat of up to 1400F+, Form-A-Shield(TM) was designed to provide the best...

Radiator Relief(TM) solves the problem of high engine temps by reducing coolant temperatures up to 30 degrees. Radiator Relief is an excellent method of treating cooling systems as a preventive step...

Design Engineering is leading the way with the most advanced thermal acoustic kits for vehicle specific applications. Using our proven Under Carpet Lite we offer an effective and affordable solution...

Line sleeving is great protection for wires, lines, cables & hoses. But inserting them into the sleeving can be frustrating and time consuming. DEIs line sleeve tool is designed to keep sleeving open...