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!

As low as $12.76
A purge blast of CO₂ will turn heads, command attention and crank up the wow factor a few notches. Some suggested mounting locations for a CryO² single or dual purge valve include hood scoops, front grille, air vents and fender wells - anywhere...
$15.66
CryO² accessories are precision made from the finest materials then meticulously tested to perform at the highest level possible.
$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...
$45.59
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...
As low as $12.76
Sleeves are available in 2.5", 3", 3"-2.5" reducer, and a 4.5"-4" reducer. Black 2.5" or 3" I.D.
$93.95
CryO² 1000 Psi solenoid - Teflon seal- 1/8" female in and out ports
$272.82
10 lb. tank measures 6-3/4" Dia. base, 20" tall.
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...
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 $10.89
An important first step in reducing unwanted and power-robbing under hood heat is wrapping headers and down pipes. Less under hood radiant heat results in a cooler air charge for improved performance and keeping exhaust gases hotter within the exhaust...
$27.15
CryO² tank nut assembly CGA320 x 4AN Includes washer, CGA320 x ¼" NPT adapter, and ¼" NPT x 4AN fitting