Whether you're looking for products to protect your Starter, Battery, Muffler or Headers, Design Engineering has a custom fit solution. We design our products to solve heat issues, improve performance or protect many specific areas and components including Turbos, Air intake tubes, Fuel cans and many more.

$24.17
Mini Versa Shield™ was designed to protect starters from potential failure caused by under hood heat soak conditions. Constructed using an aluminized heat reflective material backed with a hi-temp rated glass fiber insulation barrier,...
$75.65
Tired of bubbling paint and scorched plastic on your ATV or motorcycle? DEI has come up with the perfect kit to protect against excess heat on any powersports vehicle. A mix of lightweight, flexible materials are included to form a reflective barrier...
$102.95
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...
As low as $46.30
Hot fuel reduces engine performance, stresses the fuel pump, and can lead to vapor lock. Using race fuel? Race fuel manufacturers recommend using reflective materials to help keep specialty fuels temperature stable. DEI has come up with an effective kit...
$55.86
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 $24.55
The cargo bed and compact space around the engine and headers can get pretty toasty on most UTV’s. Especially when running for an extended duration. DEI has developed an inexpensive and easy solution to help avoid melted plastic and keep heat away...
$10.25
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...
As low as $44.86
Most race fuel manufacturers recommend covering race fuel and limiting exposure to the sun. This is critical when it comes to the new generation of oxygenated fuels. Now you can keep fuel temperatures stable and extend the pot life of expensive race...
$44.27
The DEI Remote Cord Push Button Switch is precision made from the finest materials then meticulously tested to perform at the highest level possible. Great remote activation for any CryO2, nitrous system and purge activation. A good option instead of...
As low as $405.27
If you own a Sprinter Van you know how cold, loud and tinny sounding they can be. Increase comfort with DEI Boom Mat sound damping and insulation kit. Universal kits include enough insulation material to do either a short wheel base or long wheel base...
As low as $84.41
Designed for severe duty use, ONYX™ Starter Shield offers the highest level of protection for starters from potential failure caused by under hood heat soak conditions. Constructed of two layers of material, a highly reflective outer layer...
$84.41
Designed for severe duty use, the Ultra 47™ Starter Shield offers the highest level of protection for starters from potential failure caused by under hood heat soak conditions. Constructed of two layers of material, a highly reflective outer layer...
As low as $29.74
Light weight and flexible the DEI TIG Torch Cover protects expensive cables while not feeling heavy or cumbersome. Made from PET monofilament and multifilament combination it provides exceptional abrasion and chemical resistance. Able to handle...
$89.76
DEI's Under Hood Thermal Acoustic Lining was designed primarily for automotive engine compartments as a way to greatly reduce heat and noise with a simple and easy peel and stick application. Extreme engine heat and noise often is a problem with today’s...
$24.47
Replace your missing or rattling catalytic converter shield. Allows you to pass inspections and reduce heat coming from your converter. Easy to install universal design fits most converters. Includes all installation hardware and instructions. Easily...
$35.36
Versa Shield™ was designed to protect starters from potential failure caused by under hood heat soak conditions. Constructed using an aluminized heat reflective material backed with a hi-temp rated glass fiber insulation barrier,...