When it comes to line and hose protection Design Engineering has you covered. With a variety of styles of sleeves like our Heat sheath, Heat Shroud, Gold and Vapor Block sleeves that reflect heat for any application. We also have a full line of insulating and abrasion protective sleeves and looms like our Easy loom, Fire sleeve and wrap to our Exo sleeves. Everything needed to keeps things cool and protected.

As low as $12.46
Professional grade military spec flexible polyolefin tubing provides excellent electrical insulation, protection from dirt, dust, solvents, and foreign materials as well as providing strain relief. Over expanded tubing easily fits over the end of wires...
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...
As low as $0.60
Protect expensive spark plug wire sets from potential burning, cracking, and hardening typically caused by severe under hood heat. Easily installs on wire by removing distributor boot and sliding Protect-A-Wire™ over spark plug wire. Buy in bulk...
$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...
$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...
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...
As low as $28.57
Titanium™ Protect-A-Sleeve solves the problem of burning, cracking plug wires, lines & hoses from engine & exhaust heat. DEI's Titanium Protect-A-Sleeve with LR Technology™ offers the best possible line sleeve protection on the...
As low as $22.74
Ultra 47™ Sheath line sleeve has a higher sustained heat capacity of up to 1100°F and is more flexible and light weight that standard foil or bonded aluminum products. Ultra 47™ thermal heat sheath is constructed from a process that...
As low as $18.85
Vapor Block™ solves the problem of fuel and other fluids boiling from extreme heat and causing a vapor lock situation. Prevent rough idling and difficult starting caused by vapor lock with DEI Vapor Block™. Vapor Block™ fuel...