DEI Protect-A-Boot - 6in - 8-pack - Black
$84.54
DEI10512
Best Sellers
Engine and Engine Parts
Engine Components
Most Popular Products
Thermal Sleeves
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...
DEI Protect-A-Boot - 6in - 8-pack - Red
$84.54
DEI10522
Best Sellers
Engine and Engine Parts
Engine Components
Most Popular Products
Thermal Sleeves
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...
DEI Protect-A-Boot - 6in - 8-pack - Titanium
$105.42
DEI10542
Best Sellers
Engine and Engine Parts
Engine Components
In Stock Products
Most Popular Products
System Kits
Thermal Sleeves
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...
DEI Protect-A-Boot - 8in - 8-pack - No Ring - Titanium
$122.27
DEI10544
Best Sellers
Engine and Engine Parts
Engine Components
In Stock Products
Most Popular Products
System Kits
Thermal Sleeves
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...
DEI Protect-A-Sleeve 1in I.D. x 36in - Black Titanium
$38.81
DEI10589
Air and Fuel Delivery
ATV & UTV Parts
Best Sellers
Engine and Engine Parts
Engine Components
Most Popular Products
Thermal Sleeves
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...
DEI Protect-A-Sleeve 1/2in ID x 3ft Universal - Titanium
$19.94
DEI10590
Air and Fuel Delivery
ATV & UTV Parts
Best Sellers
Engine and Engine Parts
Engine Components
Most Popular Products
Thermal Sleeves
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...
DEI Split Wire Sleeve Easy Loom 10mm-3/8in x 20 Black
$33.17
DEI10652
ATV & UTV Parts
Best Sellers
Engine and Engine Parts
Engine Components
Most Popular Products
Thermal Sleeves
Easy Loom(TM) Split Sleeves are a great solution to cleaning up and protecting old wiring, new wiring, lines hoses and more. Protective Easy Loom...
DEI Split Wire Sleeve Easy Loom Master Kit
$156.63
DEI10663
Best Sellers
Engine and Engine Parts
Engine Components
In Stock Products
Most Popular Products
Thermal Sleeves
Everything to protect and restore your factory or aftermarket wire harness from abrasion, chemicals and the elements. 5 different diameter Easy Loom sleeves, Shrink...
DEI Vapor Block Sleeve 3/8in x 36in
$16.43
DEI10671
Air and Fuel Delivery
Best Sellers
Engine and Engine Parts
Engine Components
Most Popular Products
System Kits
Thermal Sleeves
Vapor Block(TM) solves the problem of fuel and other fluids boiling from extreme heat and causing a vapor lock situation. Prevent rough idling and...
DEI Oil Filter Heat Shield 3.5in x 4.5in x 4in - 3 Pack
$13.26
DEI10740
Best Sellers
Engine and Engine Parts
Forced Induction
Most Popular Products
Performance Parts
Turbo Blankets
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...
DEI Heat Screen GOLD 36in x 40in - Non-Adhesive
$262.76
DEI10913
Air and Fuel Delivery
Best Sellers
Cooling
Engine and Engine Parts
In Stock Products
Interior Parts
Most Popular Products
Thermal Wrap
Heat Screen GOLD(TM) solves the problem of heat from engines and exhaust intruding into interiors and components. Manufactured from our high temperature metalized polyimide...
DEI Heat Sheath GOLD 3/4in x 36in
$33.29
DEI10914
Air and Fuel Delivery
Best Sellers
Engine and Engine Parts
Engine Components
Most Popular Products
Thermal Sleeves
Heat Sheath GOLD(TM) solves the problem of heat and abrasions causing failure of lines, hoses & wires. DEI Heat Sheath GOLD is manufactured from...
DEI Heat Sheath GOLD 1-1/4in x 36in
$41.66
DEI10915
Air and Fuel Delivery
Best Sellers
Engine and Engine Parts
Engine Components
Most Popular Products
Thermal Sleeves
Heat Sheath GOLD(TM) solves the problem of heat and abrasions causing failure of lines, hoses & wires. DEI Heat Sheath GOLD is manufactured from...
DEI Heat Sheath GOLD 1/2in x 36in
$30.08
DEI10916
Air and Fuel Delivery
Best Sellers
Engine and Engine Parts
Engine Components
Most Popular Products
Thermal Sleeves
Heat Sheath GOLD(TM) solves the problem of heat and abrasions causing failure of lines, hoses & wires. DEI Heat Sheath GOLD is manufactured from...
DEI Heat Sheath GOLD 1in x 36in
$36.69
DEI10917
Air and Fuel Delivery
Best Sellers
Engine and Engine Parts
Engine Components
Most Popular Products
Thermal Sleeves
Heat Sheath GOLD(TM) solves the problem of heat and abrasions causing failure of lines, hoses & wires. DEI Heat Sheath GOLD is manufactured from...
DEI Heat Screen GOLD 24in x 24in - Non-Adhesive
$106.44
DEI10919
Air and Fuel Delivery
Best Sellers
Cooling
Engine and Engine Parts
In Stock Products
Interior Parts
Most Popular Products
Thermal Wrap
Heat Screen GOLD(TM) solves the problem of heat from engines and exhaust intruding into interiors and components. Manufactured from our high temperature metalized polyimide...
DEI Form-A-Barrier 12in x 12in
$24.02
DEI11002
Best Sellers
Engine and Engine Parts
Fabrication
Heat Shields
Interior Parts
Most Popular Products
Form-A-Barrier solves the problem of needing a light weight, formable shield to protect components from heat. Light weight, formable, rigid shield provides excellent thermal...
DEI Form-A-Barrier 12in x 24in
$52.58
DEI11013
Best Sellers
Engine and Engine Parts
Fabrication
Heat Shields
Interior Parts
Most Popular Products
Form-A-Barrier solves the problem of needing a light weight, formable shield to protect components from heat. Light weight, formable, rigid shield provides excellent thermal...
DEI Radiator Relief 16 oz.
$9.97
DEI40200
Best Sellers
Coolants
Cooling
Engine and Engine Parts
Most Popular Products
System Kits
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...
DEI Radiator Relief Diesels - 16 oz.
$9.97
DEI40204
Best Sellers
Coolants
Cooling
Engine and Engine Parts
Most Popular Products
Radiator ReliefÂ(TM) for Diesels supercharges your radiator by transferring heat more efficiently through the radiator. Similar to the original formula this proven coolant additive...
DEI Radiator Relief Heater Hotter - 16 oz.
$9.97
DEI40206
Best Sellers
Coolants
Cooling
Engine and Engine Parts
Most Popular Products
System Kits
Heater Hotter(TM) solves the problem of slow warm up times and waiting for your vehicle to thaw in winter months. Heater Hotter formulated specifically...
DEI 67-72 Chevrolet/GMC C10 Regular Cab Interior Floor Insulation Kit
$182.43
DEI50025
Best Sellers
Engine and Engine Parts
Fabrication
Heat Shields
In Stock Products
Interior Parts
Most Popular Products
Wheels and Tires
Design Engineering is leading the way with the most advanced thermal acoustic kits for vehicle specific applications. Using our proven Under Carpet Lite we...
DEI 07-18 Jeep Wrangler JK Under Hood Liner Kit
$123.99
DEI50083
Best Sellers
Engine and Engine Parts
Fabrication
Heat Shields
In Stock Products
Most Popular Products
Engineered to tackle two major concerns at once, this custom cut, top-quality hood liner not only diminishes engine compartment noise but also effectively protects...
DEI 84-01 Jeep Cherokee XJ Under Hood Liner Kit
$176.99
DEI50084
Best Sellers
Engine and Engine Parts
Fabrication
Heat Shields
In Stock Products
Most Popular Products
Performance Parts
Under Hood Insulation Kits are custom cut kits made from our Black Under Hood material. It controls engine heat and noise that is often...
DEI 69-74 Chevrolet Nova Pre-Cut Under Hood Insulation Kit
$59.98
DEI50096
Best Sellers
Engine and Engine Parts
Fabrication
Heat Shields
Most Popular Products
Performance Parts
DEI Hoodliner Insulation Kits are custom cut kits made from our Black Under Hood(TM) material. It controls engine heat and noise that is often...
DEI 70-72 Chevrolet Chevelle Base Pre-Cut Under Hood Insulation Kit
$84.65
DEI50097
Air and Fuel Delivery
Best Sellers
Engine and Engine Parts
Fabrication
Heat Shields
Most Popular Products
Performance Parts
DEI Hoodliner Insulation Kits are custom cut kits made from our Black Under Hood(TM) material. It controls engine heat and noise that is often...
DEI Under Carpet Lite Sound Absorption & Insulation - 70in x 24in
$55.20
DEI50110
Air and Fuel Delivery
Best Sellers
Engine and Engine Parts
Fabrication
Heat Shields
Interior Parts
Most Popular Products
Performance Parts
Seat
Transmission and Drivetrain
Transmissions
Under Carpet Lite solves the problem of engine, exhaust and road heat soaking into interiors. Under Carpet Lite is a superior sound decoupling material...
DEI 70-72 Chevrolet Chevelle Pre-Cut Under Hood Insulation Kit (Non-Functional Cowl)
$58.26
DEI50124
Air and Fuel Delivery
Best Sellers
Engine and Engine Parts
Fabrication
Heat Shields
Most Popular Products
Performance Parts
DEI Hoodliner Insulation Kits are custom cut kits made from our Black Under Hood(TM) material. It controls engine heat and noise that is often...
DEI 68-69 Chevrolet Chevelle Pre-Cut Under Hood Insulation Kit
$81.66
DEI50125
Air and Fuel Delivery
Best Sellers
Engine and Engine Parts
Fabrication
Heat Shields
Most Popular Products
Performance Parts
DEI Hoodliner Insulation Kits are custom cut kits made from our Black Under Hood(TM) material. It controls engine heat and noise that is often...
DEI 1967 Chevrolet Chevelle Pre-Cut Under Hood Insulation Kit
$81.66
DEI50126
Best Sellers
Engine and Engine Parts
Fabrication
Heat Shields
Most Popular Products
Performance Parts
DEI Hoodliner Insulation Kits are custom cut kits made from our Black Under Hood(TM) material. It controls engine heat and noise that is often...
DEI 1966 Chevrolet Chevelle Pre-Cut Under Hood Insulation Kit
$48.63
DEI50127
Air and Fuel Delivery
Best Sellers
Engine and Engine Parts
Fabrication
Heat Shields
Most Popular Products
Performance Parts
DEI Hoodliner Insulation Kits are custom cut kits made from our Black Under Hood(TM) material. It controls engine heat and noise that is often...
DEI 64-65 Chevrolet Chevelle Pre-Cut Under Hood Insulation Kit
$48.53
DEI50128
Air and Fuel Delivery
Best Sellers
Engine and Engine Parts
Fabrication
Heat Shields
Most Popular Products
Performance Parts
DEI Hoodliner Insulation Kits are custom cut kits made from our Black Under Hood(TM) material. It controls engine heat and noise that is often...
DEI Under Hood Thermal Acoustic Lining - Black
$130.07
DEI50129
Best Sellers
Engine and Engine Parts
Fabrication
Heat Shields
In Stock Products
Most Popular Products
Performance Parts
DEI Under Hood(TM) Thermal Acoustic Lining was designed primarily for the engine compartment as a way to greatly reduce heat and noise with an...
DEI Boom Mat Damping Material - 12-1/2in x 24in (2mm) - 20.8 sq ft - 10 Sheets
$165.58
DEI50210
Best Sellers
Cooling
Engine and Engine Parts
In Stock Products
Interior Parts
Most Popular Products
Performance Parts
Thermal Wrap
Boom Mat Damping Material solves the problem of noise, vibrations, squeaks and rattles that come from roads, stereos, engines & more. Boom Mat Vibration...
DEI ATAC Seam Sealer
$347.88
DEI50213
Best Sellers
Engine and Engine Parts
Fabrication
In Stock Products
Interior Parts
Most Popular Products
Performance Parts
Sealants
ATAC Seam Sealer is engineered to block out noise and moisture, ensuring a dry, quiet, and comfortable interior. This high-performance sealer effortlessly fills gaps...