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.

$28.18
Cell Saver™ solves the problem of heat soak into batteries, absorbs leaking acids and prevents premature failure due to heat. Batteries are very susceptible to heat and vibration that could cause premature failure and hazardous leaks. Cell...
$80.39
Cool Cover™ is designed to prevent air tubes from becoming heat sinks. Made of heat treated glass fiber with a reflective coating, Cool Cover™ will reflect radiant heat from air tubes and promotes a cooler, denser, more powerful air charge...
$86.06
Cool Cover GOLD™ solves the problem of heat soak into air tubes and cold air intakes. High temperature Metalized Polyimide lamination, bonded to a robust 20 oz. heat treated glass fiber base material, Cool Cover GOLD™ will reflect radiant...
$34.33
Protects Dynamometer tie-down straps from burn-through caused by exhaust exit heat Made of a hi-temp resistant aluminized mylar material Withstands 500°F direct / 2000°F radiant heat Easily slips over dyno tie down straps 36" long x 5"...
As low as $13.25
Fuel Injector and sensor covers solve the problem of rough idle, stalling  and vapor lock due to hot fuel. In hot temps, both performance and factory fuel injectors can be at risk of vapor lock or heat soak causing a rough idle, slow starting or...
$17.95
Universal mounting kit for ridged or semi-ridged heat shields. Includes 6 stainless standoffs with hardware. 1/2" tall stainless standoffs Includes mounting hardware
$78.62
Protection from hot brake drums and rotors Prevents potential of serious burns or cuts Aluminized mylar adhered to glass fiber matting Withstands 2000°F radiant / 500°F of direct continuous heat Protection against dirt, dust & airborne...
$24.90
Mini Versa Shields™ solve the problem of failing starters and other components due to heat soak. Mini Versa Shield was designed to protect starters from potential failure caused by under hood heat soak conditions. Constructed using an aluminized...
$77.92
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...
$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...
As low as $47.68
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...
$57.53
Muffler Shield Kit solves the problem of heat soak into interiors and components from mufflers that are close to floors. The Best muffler shield/wrap on the market. Based off our proven Floor and Tunnel II heat shield, our new Muffler Shield is designed...
As low as $7.63
Oil filters soak in a lot of heat from high performance engines. They are nestled tight to the oil pan and engine. DEI’s Oil Filter Heat Shield effectively blocks radiant heat that can change the oils viscosity or potentially cause a thermal...
$7.98
The DEI Oil Rug is designed to catch, contain, and absorb oil spills under vehicles, motorcycles, around machinery, under leaking equipment, and other maintenance areas. DEI Oil Rugs can absorb hazardous and non-hazardous materials including oil,...
$14.34
The DEI Oil Rug is designed to catch, contain, and absorb oil spills under vehicles, motorcycles, around machinery, under leaking equipment, and other maintenance areas. DEI Oil Rugs can absorb hazardous and non-hazardous materials including oil,...
$46.13
The DEI Oil Rug is designed to catch, contain, and absorb oil spills under vehicles, motorcycles, around machinery, under leaking equipment, and other maintenance areas. DEI Oil Rugs can absorb hazardous and non-hazardous materials including oil,...
$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...
As low as $86.95
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...
$86.95
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 $30.64
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...