Thermal Sleeves

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DEI Protect-A-Sleeve 1in I.D. x 36in - Black Titanium - product view

DEI Protect-A-Sleeve 1in I.D. x 36in - Black Titanium

$55.50
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 finish. DEI's Black Titanium Protect-A-Sleeve with...
DEI Cool-Cover GOLD 3in to 4in OD Air Tube x 28in L - Air Tube Cover Kit - product view

DEI Cool-Cover GOLD 3in to 4in OD Air Tube x 28in L - Air...

$113.96
Cool Cover GOLD(TM) 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...
DEI Fire Wrap 3000 1-1/2in I.D. x 2ft - product view

DEI Fire Wrap 3000 1-1/2in I.D. x 2ft

$111.87
Fire Wrap 3000(TM) thermal insulator sleeve is constructed from the same material as DEI Fire Sleeve(TM) but with the convenience of a hook & loop edge closure design. Fire Wrap...
DEI Fire Sleeve and Tape Kit 3/4in I.D. x 3ft - product view

DEI Fire Sleeve and Tape Kit 3/4in I.D. x 3ft

$51.24
Fire Sleeve solves the problem of heat and abrasions damaging fuel, transmission and brake lines and is a fireproof solution. Constructed from a high temperature resistant braided glass material, woven...
DEI Dyno Strap Heat Guard 5in w x 3ft - Aluminized - product view

DEI Dyno Strap Heat Guard 5in w x 3ft - Aluminized

$55.49
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...
DEI Pipe Shield w/Stainless Steel Clamps - 6in x 24in - Titanium - product view

DEI Pipe Shield w/Stainless Steel Clamps - 6in x 24in - T...

$95.70
Pipe Shields solve the problem of needing spot heat protection for exhaust pipes and components. Extreme heat can rob power and potentially damage engines, transmissions, hoses, and sensitive electrical components....
DEI Pipe Shield w/Stainless Steel Clamps - 6in x 12in - Titanium - product view

DEI Pipe Shield w/Stainless Steel Clamps - 6in x 12in - T...

$76.13
Pipe Shields solve the problem of needing spot heat protection for exhaust pipes and components. Extreme heat can rob power and potentially damage engines, transmissions, hoses, and sensitive electrical components....
DEI Heat Sheath 1-1/2in I.D. x 3ft - Aluminized Sleeving - Sewn Edge - product view

DEI Heat Sheath 1-1/2in I.D. x 3ft - Aluminized Sleeving ...

$44.92
Heat Sheath(TM) solves the problem of heat and abrasions causing failure of lines, hoses & wires. Designed to slide over wires, cables and hoses, Heat Sheath provides the ultimate protection...
DEI Heat Sheath 1in x 3ft - Aluminized Sleeving - Sewn Edge - product view

DEI Heat Sheath 1in x 3ft - Aluminized Sleeving - Sewn Edge

$39.16
Heat Sheath(TM) solves the problem of heat and abrasions causing failure of lines, hoses & wires. Designed to slide over wires, cables and hoses, Heat Sheath provides the ultimate protection...
DEI Heat Sheath 1-1/4in I.D. x 3ft - Aluminized Sleeving - Sewn Edge - product view

DEI Heat Sheath 1-1/4in I.D. x 3ft - Aluminized Sleeving ...

$40.94
Heat Sheath(TM) solves the problem of heat and abrasions causing failure of lines, hoses & wires. Designed to slide over wires, cables and hoses, Heat Sheath provides the ultimate protection...
DEI Heat Sheath 3/4in x 3ft - Aluminized Sleeving - Sewn Edge - product view

DEI Heat Sheath 3/4in x 3ft - Aluminized Sleeving - Sewn ...

$35.39
Heat Sheath(TM) solves the problem of heat and abrasions causing failure of lines, hoses & wires. Designed to slide over wires, cables and hoses, Heat Sheath provides the ultimate protection...
DEI Pipe Shield - 6in x 12in - product view

DEI Pipe Shield - 6in x 12in

$188.65
Made from durable 304 stainless steel and preformed with a curved shape to fit most any size pipes. Two layers of 304 stainless encapsulate a high temperature insulation, withstanding up...
DEI Pipe Shield - 8.5in x 4.5in - product view

DEI Pipe Shield - 8.5in x 4.5in

$143.40
Made from durable 304 stainless steel and preformed with a curved shape to fit most any size pipes. Two layers of 304 stainless encapsulate a high temperature insulation, withstanding up...

Upgrade your ride with premium thermal sleeves from Bull Strap. This collection of Thermal Sleeves is built to meet the demands of serious enthusiasts. Every product in our Thermal Sleeves lineup has been selected to deliver uncompromising quality and performance.

At Bull Strap, we understand that your vehicle is more than just transportation — it's a reflection of your lifestyle. That's why we stock only the best thermal sleeves, sourced from industry-leading manufacturers known for durability and precision engineering. Whether you're building a daily driver or a weekend trail rig, you'll find exactly what you need.

Browse our full selection below and find the perfect fit for your build. Bull Strap offers fast shipping, expert support, and competitive pricing on every order. Have questions? Our team is here to help you choose the right parts for your vehicle.