DEI is a pioneer in the automotive performance industry. Whether you're trying to make your ride run faster, better, more safely, or just trick it out, we've got the gear to make your ride rock!

$106.04
Just as racers use tire warmers to maintain tire temperatures between sessions, it’s equally important to maintain stable fuel temperatures. Hot fuel results in less HP, increased fuel pump stress, and the increased risk of vapor lock. The DEI slip-on...
$57.53
The Best muffler shield/wrap on the market. Based off our proven Floor and Tunnel II heat shield, our new Muffler Shield is designed to wrap around just about any size muffler. Includes our tough Stainless Steel positive locking ties for a tight secure...
As low as $248.29
DEI recognized the need for new Turbo Shield applications, and now offer Turbo Shields in the smaller turbo sizes. Unlike cheap, knock-off copies, DEI Turbo Shields use an exclusive combination of premium heat resistant textiles and newly designed...
As low as $33.36
DEI Pipe Wrap is used in many types of applications for reducing unwanted and harmful heat under the hood and from entering the driver compartment while improving horsepower. Pipe wrap improves performance and can be used on everyday vehicles,...
As low as $20.23
Made from double-wall high temperature resistant glass fiber material, Protect-A-Boots™ provide spark plug boot and wire protection from extreme heat and helps prevent burn-through, hardening and cracking of boots. Helps protect spark plug wires...
As low as $19.80
Protect-A-Boots are made from a high temperature resistant glass fiber material and treated with a proprietary coating, Protect-A-Boots provide spark plug boot and wire protection from extreme under hood heat and helps prevent burn-through, hardening and...
As low as $27.16
Each kit includes everything needed to protect spark plug boots and wires from harmful under hood heat. Color matched Protect-A-Boots, Protect-A-Wire and Hi-Temp Shrink Tubes are included for a professional finished look. Our 6’’...
As low as $21.93
Superior Protection for Extreme Angled Plug Wire Boots DEI Protect-A-Boot™ Sleeves are uniquely designed to protect spark plug boots & wires against the harmful effects of direct and continuous heat - up to 1200°F. Continued exposure to...
As low as $12.14
DEI Protect-A-Wire kits provide thermal protection for expensive spark plug wire sets. Protect your wires from potential burning, cracking, and hardening typically caused by severe under hood heat. DEI wire heat protection kits easily install by removing...
As low as $106.57
25 ft. of Black Silicone with numbered shrink tube ends to label plug wires to the correct cylinder. Annealed Fiberglass sleeve is coated with Silicone providing excellent resistance to abrasion, fraying and punctures. Resistant to chemicals and...
$10.56
DEI Fuel Line Cover Kit is a safe and easy way to make sure you pass technical inspection for any USAC - 1/4 Midget Race. Meets USAC requirements for fireproof fuel line cover as stated in current rule book Includes 1-1/2' of 3/8" ID silicone covered...
$15.95
Quick Heat is specially formulated to get the heat from your engine into your heating system faster in frigid climates. Feel warmer faster and melt ice and frost from windows more quickly. Quick Heat is safe to mix with all types of anti-freeze. Simply...
$13.37
High performance Quick Fix Tape bonds to itself and is self-curing, forming a waterproof permanent seal. It's ideal for emergency hose repair, non-slip grip surface for tools, electrical splices and connections, serves as a temporary leak sealer, and...
$9.97
Radiator Relief™ Cooling System Flush is a concentrated cleansing agent that effectively removes rust and mineral deposits left behind in the radiator core and hose lines. This advanced treatment also dissolves oily residue build-up left behind in old...
$9.97
Radiator Relief™ for Diesels supercharges your radiator by transferring heat more efficiently through the radiator. Similar to the original formula this proven coolant additive will reduce your operating temperature up to 30°F degrees and reduce...
As low as $9.97
Radiator Relief™™ is an excellent method of treating cooling systems as a preventive step to help avoid overheating, electrolytic (electrolysis) and chemical corrosion and is compatible with all coolant additives and anti-freeze mixtures. Both an...
As low as $12.36
Reflect-A-Cool™, constructed of fiberglass material backed with a layer of aluminized reflective foil to handle direct continuous temperature of 400°F has many uses such as covering firewalls, marine engine compartments, RVs, in the tub of a...
As low as $21.99
Reflect-A-GOLD™ is an adhesive heat shield made from a metalized polyamide polymer laminated to a light weight glass fiber cloth with a high temperature pressure sensitive adhesive for use in extreme temperature swing environments. Our lightweight,...
As low as $37.23
Reflect-A-GOLD™ is a metalized polyamide polymer laminated glass cloth with a high temperature pressure sensitive adhesive for use in extreme temperature swing environments. It is lightweight and easy to apply and won't lift off. Highly effective...
As low as $99.15
Speed Sleeves provide everything you need to cover and protect primary exhaust header pipes. An alternative to wrapping complete headers and ideal for spot protection from heat generating pipes and manifolds. They are easily installed in tight engine...