Thermal Sleeves

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DEI Vapor Block Sleeve 3/8in x 36in - product view

DEI Vapor Block Sleeve 3/8in x 36in

$33.12
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 difficult starting caused by vapor lock...
DEI Heat Sheath 3/4in I.D. x 50ft Spool - OEM Replacement - Image 1

DEI Heat Sheath 3/4in I.D. x 50ft Spool

$264.17
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 50ft Spool - OEM Replacement - Image 1

DEI Heat Sheath 1-1/4in I.D. x 50ft Spool

$331.97
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 2in I.D. x 50ft Spool - Bull Strap

DEI Heat Sheath 2in I.D. x 50ft Spool

$613.77
DEI Heat Sheath 2in I.D. x 50ft Spool
DEI Heat Shroud 2-1/2in x 50ft Spool - Aluminized Sleeving-Hook and Loop Edge - product view

DEI Heat Shroud 2-1/2in x 50ft Spool - Aluminized Sleevin...

$580.86
Heat Shroud(TM) solves the problem of heat and abrasions causing failure of lines, hoses and wires without the need to disconnect them. Heat Shroud is made from a high temperature...
DEI Heat Shroud Gold 2in to 2.5in x 36in - product view

DEI Heat Shroud Gold 2in to 2.5in x 36in

$107.92
Heat Shroud GOLD(TM) solves the problem of heat and abrasions causing failure of lines, hoses and wires without the need to disconnect them. High temperature metalized polyimide lamination, bonded to...
DEI Heat Shroud 2-1/2in x 3ft - Aluminized Sleeving-Hook and Loop Edge - product view

DEI Heat Shroud 2-1/2in x 3ft - Aluminized Sleeving-Hook ...

$72.02
Heat Shroud(TM) solves the problem of heat and abrasions causing failure of lines, hoses and wires without the need to disconnect them. Heat Shroud is made from a high temperature...
DEI Heat Shroud 1/2in to 1-1/4in I.D. x 3ft - Gold - product view

DEI Heat Shroud 1/2in to 1-1/4in I.D. x 3ft - Gold

$76.80
Heat Shroud GOLD(TM) solves the problem of heat and abrasions causing failure of lines, hoses and wires without the need to disconnect them. High temperature Metalized Polyimide lamination, bonded to...
DEI Heat Shroud 3/4in I.D. x 3ft - Aluminized Sleeving - Hook and Loop Edge - product view

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

$53.92
Heat Shroud(TM) solves the problem of heat and abrasions causing failure of lines, hoses and wires without the need to disconnect them. Heat Shroud is made from a high temperature...
Kuryakyn Throttle Tube 18 and Up Indian Models - Bull Strap

Kuryakyn Throttle Tube 18 and Up Indian Models

$25.68
Whether you're replacing a tube with broken ferrule holders or installing glue-on style grips, these direct O.E.M. replacement sleeves get the job completed. Lightweight, durable and available in a variety...
DEI Protect-A-Boot and Wire Kit 8 Cylinder - Titanium - Bull Strap

DEI Protect-A-Boot and Wire Kit 8 Cylinder - Titanium

$254.92
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 and woven into a proprietary weave...
Vibrant Heat Protect Flexible Sleeving - 1-1/2in (5 ft Length) - Black only - Bull Strap

Vibrant Heat Protect Flexible Sleeving - 1-1/2in (5 ft Le...

$70.69
These Silicone wrapped Fiberglass Sleeves provide protection from ambient temperatures up to 500 Degrees F (260 Degrees C). This sleeving is highly flexible and engineered to protect hoses, cables and...
DEI Fire Wrap 3000 1in Inside Diameter - Bull Strap

DEI Fire Wrap 3000 1in Inside Diameter

$47.79
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 RFI Shield Split Sleeve - 1/2in x 3ft - Bull Strap

DEI RFI Shield Split Sleeve - 1/2in x 3ft

$58.12
RFI Shield reduces Radio Frequency Interference (RFI) and Electromagnetic Interference (EMI) from ignition systems & high voltage wires that can affect computer systems, electronic fuel injection, radios, and other sensitive...
DEI Heat Sheath 1/2in to 1-1/4in I.D. x 50ft Spool - Bull Strap

DEI Heat Sheath 1/2in to 1-1/4in I.D. x 50ft Spool

$637.06
Heat Shroud(TM) solves the problem of heat and abrasions causing failure of lines, hoses and wires without the need to disconnect them. Heat Shroud is made from a high temperature...
DEI Heat Sheath 1-1/2in I.D. x 50ft Spool - Bull Strap

DEI Heat Sheath 1-1/2in I.D. x 50ft Spool

$384.84
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 Fire Sleeve 5/8in I.D. x 100ft Spool - Bull Strap

DEI Fire Sleeve 5/8in I.D. x 100ft Spool

$748.92
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...
Kuryakyn Throttle Tube Dual Cable Harley - Bull Strap

Kuryakyn Throttle Tube Dual Cable Harley

$27.68
Whether you're replacing tubes with broken ferrule holders or installing Kuryakyn glue-on-style grips, these direct OEM replacements get the job done effectively and affordably.
DEI Fire Sleeve 5/8in I.D. x 25ft Spool - Bull Strap

DEI Fire Sleeve 5/8in I.D. x 25ft Spool

$202.36
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 Fire Sleeve 3/8in I.D. x 25ft Spool - Bull Strap

DEI Fire Sleeve 3/8in I.D. x 25ft Spool

$157.42
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 Heat Sheath GOLD 3/4in x 36in - Bull Strap

DEI Heat Sheath GOLD 3/4in x 36in

$49.98
Heat Sheath GOLD(TM) solves the problem of heat and abrasions causing failure of lines, hoses & wires. DEI Heat Sheath GOLD is manufactured from our high temperature metalized polyimide lamination,...
DEI Split Wire Sleeve Easy Loom Master Kit - Bull Strap

DEI Split Wire Sleeve Easy Loom Master Kit

$173.36
Everything to protect and restore your factory or aftermarket wire harness from abrasion, chemicals and the elements. 5 different diameter Easy Loom sleeves, Shrink tube ends, silicone tape, locking ties,...
DEI Fire Wrap 3000 5/8in I.D. x 2ft - Bull Strap

DEI Fire Wrap 3000 5/8in I.D. x 2ft

$86.17
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 1in I.D. x 3ft - Bull Strap

DEI Fire Sleeve and Tape Kit 1in I.D. x 3ft

$64.67
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 Fire Sleeve and Tape Kit 5/8in I.D. x 3ft - Bull Strap

DEI Fire Sleeve and Tape Kit 5/8in I.D. x 3ft

$50.25
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 Fire Sleeve and Tape Kit 3/8in I.D. x 3ft - Bull Strap

DEI Fire Sleeve and Tape Kit 3/8in I.D. x 3ft

$43.54
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 Heat Sheath 1/2in I.D. x 3ft - Aluminized Sleeving - Sewn Edge - Bull Strap

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

$33.66
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 Shroud 1in I.D. x 3ft - Aluminized Sleeving - Hook and Loop Edge - Bull Strap

DEI Heat Shroud 1in I.D. x 3ft - Aluminized Sleeving - Ho...

$61.77
Heat Shroud(TM) solves the problem of heat and abrasions causing failure of lines, hoses and wires without the need to disconnect them. Heat Shroud is made from a high temperature...
Vibrant 3/4in Dia Spark Plug Boot Insulator (4/Pack) Black color - Bull Strap

Vibrant 3/4in Dia Spark Plug Boot Insulator (4/Pack) Blac...

$35.98
Protect your Spark Plug Wires at the connection to the boot with these easy, slip on braided Fiberglass Insulation Sleeves. Protects up to 1200 Degrees F (650 Degrees C) and...
Vibrant 3/4in Dia Spark Plug Boot Insulator (4/Pack) Natural color - Bull Strap

Vibrant 3/4in Dia Spark Plug Boot Insulator (4/Pack) Natu...

$35.98
Protect your Spark Plug Wires at the connection to the boot with these easy, slip on braided Fiberglass Insulation Sleeves. Protects up to 1200 Degrees F (650 Degrees C) and...
Vibrant 7/8in O.D. Heat Protect Flexible Sleeving (5 foot length) Black - Bull Strap

Vibrant 7/8in O.D. Heat Protect Flexible Sleeving (5 foot...

$58.69
These Silicone wrapped Fiberglass Sleeves provide protection from ambient temperatures up to 500 Degrees F (260 Degrees C). This sleeving is highly flexible and engineered to protect hoses, cables and...
Vibrant 3/4in O.D. Heat Protect Flexible Sleeving (5 foot length) Black - Bull Strap

Vibrant 3/4in O.D. Heat Protect Flexible Sleeving (5 foot...

$57.69
These Silicone wrapped Fiberglass Sleeves provide protection from ambient temperatures up to 500 Degrees F (260 Degrees C). This sleeving is highly flexible and engineered to protect hoses, cables and...
DEI Fire Wrap 3000 1in I.D. x 2ft - Bull Strap

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

$92.09
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 3/8in I.D. x 100ft Spool - product view

DEI Fire Sleeve 3/8in I.D. x 100ft Spool

$562.93
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...
Vibrant Heat Protect Flexible Sleeving - 1-1/4in (5 ft Length) - Black only - product view

Vibrant Heat Protect Flexible Sleeving - 1-1/4in (5 ft Le...

$65.69
These Silicone wrapped Fiberglass Sleeves provide protection from ambient temperatures up to 500 Degrees F (260 Degrees C). This sleeving is highly flexible and engineered to protect hoses, cables and...
Vibrant Heat Protect Flexible Sleeving - 5/8in (5 ft length) - Black only - product view

Vibrant Heat Protect Flexible Sleeving - 5/8in (5 ft leng...

$53.48
These Silicone wrapped Fiberglass Sleeves provide protection from ambient temperatures up to 500 Degrees F (260 Degrees C). This sleeving is highly flexible and engineered to protect hoses, cables and...
Vibrant 1in O.D. Heat Protect Flexible Sleeving (5 foot length) Black - product view

Vibrant 1in O.D. Heat Protect Flexible Sleeving (5 foot l...

$65.69
These Silicone wrapped Fiberglass Sleeves provide protection from ambient temperatures up to 500 Degrees F (260 Degrees C). This sleeving is highly flexible and engineered to protect hoses, cables and...
Vibrant 1/2in O.D. Heat Protect Flexible Sleeving (5 foot length) Black - product view

Vibrant 1/2in O.D. Heat Protect Flexible Sleeving (5 foot...

$45.19
These Silicone wrapped Fiberglass Sleeves provide protection from ambient temperatures up to 500 Degrees F (260 Degrees C). This sleeving is highly flexible and engineered to protect hoses, cables and...
Kuryakyn Throttle Tube Indian Scout - product view

Kuryakyn Throttle Tube Indian Scout

$28.68
Whether you're replacing tubes with broken ferrule holders or installing Kuryakyn glue-on-style grips, these direct OEM replacements get the job done effectively and affordably.This Part Fits: Year Make Model Submodel...
Haltech Harness Sleeve Pack - product view

Haltech Harness Sleeve Pack

$58.70
Nylon Sleeving, Heat Shrink, Cable Ties and Fleece Tape to dress your engine harness.; Protect your cables and give your harness that professional look.
DEI Heat Sheath 1in I.D. x 50ft Spool - product view

DEI Heat Sheath 1in I.D. x 50ft Spool

$302.47
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 1/2in I.D. x 50ft Spool - product view

DEI Heat Sheath 1/2in I.D. x 50ft Spool

$228.93
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 Fire Sleeve 1in I.D. x 25ft Spool - product view

DEI Fire Sleeve 1in I.D. x 25ft Spool

$278.59
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 Fire Sleeve 3/4in I.D. x 25ft Spool - product view

DEI Fire Sleeve 3/4in I.D. x 25ft Spool

$232.95
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 Universal 2-Door Vapor Kit - product view

DEI Universal 2-Door Vapor Kit

$130.71
Block moisture, reduce noise, and insulate doors with this hi-tech, lightweight vapor barrier. Kits offer tailored protection for your vehicle’s interior, custom-cut for a seamless fit and easy installation. Designed...
DEI Heat Sheath GOLD 1in x 36in - product view

DEI Heat Sheath GOLD 1in x 36in

$53.38
Heat Sheath GOLD(TM) solves the problem of heat and abrasions causing failure of lines, hoses & wires. DEI Heat Sheath GOLD is manufactured from our high temperature metalized polyimide lamination,...
DEI Heat Sheath GOLD 1/2in x 36in - product view

DEI Heat Sheath GOLD 1/2in x 36in

$46.77
Heat Sheath GOLD(TM) solves the problem of heat and abrasions causing failure of lines, hoses & wires. DEI Heat Sheath GOLD is manufactured from our high temperature metalized polyimide lamination,...
DEI Heat Sheath GOLD 1-1/4in x 36in - product view

DEI Heat Sheath GOLD 1-1/4in x 36in

$58.36
Heat Sheath GOLD(TM) solves the problem of heat and abrasions causing failure of lines, hoses & wires. DEI Heat Sheath GOLD is manufactured from our high temperature metalized polyimide lamination,...
DEI Split Wire Sleeve Easy Loom 10mm-3/8in x 20 Black - product view

DEI Split Wire Sleeve Easy Loom 10mm-3/8in x 20 Black

$49.86
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 offers a clean, classy way to...
DEI Protect-A-Sleeve 1/2in ID x 3ft Universal - Titanium - product view

DEI Protect-A-Sleeve 1/2in ID x 3ft Universal - Titanium

$36.63
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...

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.