Protect your ignition system from extreme under-hood temperatures with Vibrant Performance braided fiberglass spark plug boot insulators. These sleeves are specifically engineered to shield spark plug wires and boots from the intense radiant heat generated by exhaust manifolds and headers, preventing wire melting, brittle boots, and potential engine misfires.

Constructed from high-temperature braided fiberglass, these insulators are rated to withstand continuous thermal exposure up to 1200°F (650°C). The flexible 3/4-inch diameter design allows for a simple slip-on installation over most spark plug boots and requires minimal clearance from hot surfaces, making them an essential upgrade for tight engine bays and high-performance applications.

• Protects spark plug boots and wires from radiant heat up to 1200°F (650°C)
• Durable braided fiberglass construction for long-term thermal resistance
• Easy slip-on installation requires no special tools
• Sleeve Diameter: 3/4 inch
• Color: Black
• Quantity: Set of 4
• Manufacturer Part Number: 25891

Shield your ignition components from extreme under-hood temperatures with Vibrant Performance Spark Plug Boot Insulators. These slip-on sleeves are engineered from braided fiberglass to provide a durable thermal barrier for spark plug wires and boots, preventing premature failure and performance degradation caused by heat soak.

• Heat Resistance: Protects up to 1,200°F (650°C).
• Low Profile Design: Requires minimal to no clearance from heat sources, making them ideal for tight header and exhaust manifold applications.
• Construction: High-temperature braided fiberglass for superior insulation and flexibility.
• Diameter: 3/4 inch (19mm).
• Color: Natural.
• Quantity: Set of 4.
• Part Number: 25890.

Designed for easy installation, these insulators simply slide over the spark plug boot to prolong the life of your ignition wires in high-performance or racing environments.

Vibrant Performance Heat Protect flexible sleeving (MPN 25817) provides professional-grade thermal insulation for hoses, cables, and wiring harnesses. Constructed from a high-quality fiberglass core wrapped in a durable silicone coating, this 1-1/2 inch nominal diameter sleeve is designed to withstand the harsh conditions of high-performance engine bays and industrial environments.

This sleeving is engineered to resist constant ambient temperatures up to 500°F (260°C) while remaining highly flexible for easy routing. It serves as a critical barrier against radiant heat, open flames, and weld sparks, preventing heat soak and component failure. The silicone jacket also provides an effective seal against automotive chemicals, solvents, moisture, and physical wear from abrasion or punctures.

• Construction: Silicone-wrapped fiberglass
• Inner Diameter: 1-1/2 inches
• Length: 5 feet
• Temperature Rating: Up to 500°F (260°C) constant
• Resistance: Heat, chemicals, solvents, abrasion, and moisture
• Color: Black
• Manufacturer Part Number: 25817

Vibrant Performance Heat Protect Flexible Sleeving provides critical thermal insulation and mechanical protection for hoses, cables, and wire harnesses. Constructed from a durable fiberglass base coated in a thick layer of high-temperature silicone, this sleeving is engineered to withstand continuous operating temperatures up to 500°F (260°C).

Designed for the rigors of high-performance engine bays, it effectively shields components from radiant heat, open flames, and weld sparks while containing internal heat. The silicone-wrapped fiberglass construction remains highly flexible for easy routing through tight configurations and offers excellent resistance to common automotive chemicals, solvents, moisture, and abrasion.

• Manufacturer Part Number: 25816
• Material: Silicone-wrapped fiberglass
• Inside Diameter: 1-1/4in (nominal)
• Length: 5 ft
• Temperature Rating: Up to 500°F (260°C) continuous
• Protects against: Radiant heat, flame, weld sparks, chemicals, moisture, and puncture
• Color: Black

Vibrant Performance Heat Protect Flexible Sleeving is engineered to shield critical under-hood components from extreme thermal environments and physical wear. Constructed from high-grade fiberglass with a durable silicone coating, this sleeving is rated for continuous exposure to ambient temperatures up to 500°F (260°C).

This highly flexible sleeve provides a rugged barrier against open flames, weld sparks, and radiant heat, effectively protecting hoses, cables, and wire harnesses. Beyond thermal management, the silicone-wrapped construction resists common automotive chemicals and solvents while providing a layer of protection against abrasion, punctures, and moisture ingress.

• Material: Silicone-wrapped fiberglass
• Inner Diameter: 5/8 inch (Nominal)
• Length: 5 feet
• Color: Black
• Temperature Rating: Up to 500°F (260°C) constant
• Protection: Heat, flame, chemicals, solvents, abrasion, and moisture
• Manufacturer Part Number: 25815

Vibrant Performance Heat Protect Flexible Sleeving provides essential thermal insulation and physical protection for critical fluid hoses, cables, and electrical wiring harnesses. Engineered from a silicone-wrapped fiberglass, this sleeving is designed to withstand constant ambient temperatures up to 500°F (260°C) while remaining highly flexible for easy routing through tight engine bays.

This heavy-duty sleeving acts as a barrier against radiant heat, open flames, and weld sparks. It is specifically formulated to resist common automotive chemicals and solvents, ensuring long-term durability in harsh environments. Additionally, the silicone coating provides a rugged shield against abrasion, punctures, and moisture, preventing premature failure of underlying lines.

• Material: Silicone-wrapped fiberglass
• Outer Diameter: 1 inch (Nominal)
• Length: 5 feet
• Temperature Rating: 500°F (260°C) continuous
• Protects against: Radiant heat, flame, sparks, chemicals, and abrasion
• Manufacturer Part Number: 25813

Vibrant Performance Heat Protect Flexible Sleeving provides critical thermal shielding for hoses, cables, and wire harnesses. This 5-foot length of 7/8-inch O.D. sleeving is constructed from silicone-wrapped fiberglass, engineered to withstand constant ambient temperatures up to 500°F (260°C) while maintaining the high flexibility required for complex routing in tight engine bays.

Beyond thermal management, this sleeving protects sensitive components from open flames, weld sparks, and radiant heat. The silicone outer layer is designed to resist common automotive chemicals and solvents while providing a barrier against moisture, punctures, and abrasion.

• Material: Silicone-wrapped fiberglass
• Nominal Size: 7/8" O.D.
• Length: 5 feet
• Temperature Rating: 500°F (260°C) constant
• Color: Black
• Resistant to: Radiant heat, chemicals, solvents, and moisture
• Manufacturer Part Number: 25812

Vibrant Performance Heat Protect Flexible Sleeving (MPN 25811) provides a durable thermal barrier for hoses, cables, and wiring harnesses. Constructed from high-quality fiberglass with a heavy silicone coating, this sleeving is engineered to withstand constant ambient temperatures up to 500°F (260°C) while remaining highly flexible for easy routing through congested engine bays.

This protective sleeve shields critical components from radiant heat, open flames, and weld sparks. Its rugged construction also offers significant resistance to common automotive chemicals, solvents, and moisture, while protecting against mechanical wear such as punctures or abrasion.

• Material: Silicone-wrapped fiberglass
• Nominal Size: 3/4in O.D.
• Length: 5 feet
• Temperature Rating: Constant ambient protection up to 500°F (260°C)
• Finish: Black
• Manufacturer Part Number: 25811

Vibrant Performance 25810 Heat Protect Flexible Sleeving is engineered to shield critical automotive components from extreme thermal environments. This 1/2-inch O.D. sleeving features a silicone-wrapped fiberglass construction, providing a robust barrier against ambient temperatures, radiant heat, and direct exposure to open flames or weld sparks. Its high flexibility ensures easy routing over hoses, cables, and wire harnesses, even in cramped engine bays.

• Provides constant temperature protection up to 500°F (260°C).
• Constructed from silicone-wrapped fiberglass for maximum durability.
• Resistant to common automotive chemicals, solvents, and moisture.
• Protects against abrasion, punctures, and mechanical wear.
• Length: 5 feet; Nominal Size: 1/2 inch O.D.
• Manufacturer Part Number: 25810

The Haltech HT-039300 Harness Sleeve Pack provides the professional-grade components required to bundle, protect, and finish an engine wiring harness. This kit is designed to transition raw wiring into a durable, motorsport-style loom that offers superior abrasion resistance and a clean, organized appearance under the hood.

This comprehensive dressing kit includes high-quality expandable nylon sleeving and adhesive-lined heat shrink tubing to create secure, moisture-resistant terminations. The addition of fleece tape helps reduce harness noise and vibration, while heavy-duty cable ties ensure secure mounting to factory locations or chassis points.

• Manufacturer Part Number: HT-039300
• Expandable nylon sleeving for versatile wire bundling
• Adhesive-lined heat shrink for secure, professional terminations
• Fleece tape for harness protection and noise dampening
• Included cable ties for secure wire management

Protect critical fuel, transmission, and brake lines from extreme heat and abrasion with the DEI Fire Sleeve (MPN 94472). This thermal insulator is engineered from a high-temperature braided fiberglass sleeve heavily coated with 100% iron oxide silicone rubber. It provides a rugged, fireproof barrier that prevents vapor lock and fluid breakdown while shielding electrical harnesses from heat damage.

• Temperature Resistance: Rated for 500°F (260°C) continuous exposure and up to 2000°F (1093°C) of intermittent radiant heat.
• Durable Construction: Features a heavy silicone coating for superior resistance to oil, chemicals, and mechanical abrasion.
• Sizing & Fitment: 5/8-inch (0.625") internal diameter is specifically sized for 6AN and 8AN lines; the material can stretch 1/16" to 1/8" to accommodate existing fittings.
• Safety & Maintenance: Provides burn protection for technicians during under-hood repairs and maintenance.
• Dimensions: 100-foot bulk spool for large projects and shop use.

Ideal for bundling hoses and electrical wiring, this fireproof solution ensures long-term reliability in harsh automotive and industrial environments.

The DEI Fire Sleeve (MPN 94470) provides essential thermal protection and abrasion resistance for fuel, transmission, and brake lines, as well as critical electrical wiring. Designed for high-heat environments, this sleeve is constructed from braided fiberglass material and heavily coated with 100% iron oxide silicone rubber to deflect radiant heat and withstand direct contact.

• Temperature Resistance: Withstands up to 500°F (260°C) of continuous heat and 2000°F (1093°C) of intermittent heat.
• Construction: High-temperature braided glass sleeve with a heavy silicone rubber coating for maximum insulation.
• Versatile Application: Ideal for bundling hoses and protecting lines from heat soak and physical wear under the hood.
• Sizing Specs: 3/8-inch (0.375") Inner Diameter (ID) provided in a 100-foot bulk spool.

The 3/8" ID is specifically suited for 3AN, 4AN, and 6AN lines (6AN provides a tight fit). The material offers approximately 1/16" to 1/8" of stretch, which aids in installation over lines with existing fittings. Please note that Fire Tape is not included and is recommended for sealing the ends of the sleeve.

The DEI Heat Shroud (93487) provides a professional-grade solution for protecting critical lines, hoses, and wiring from extreme radiant heat and physical abrasion. This sleeving is constructed from 19 oz high-temperature heat-treated glass fiber insulation bonded to a durable aluminized outer facing. The integrated hook and loop closure design allows for rapid installation on existing lines without the need to disconnect hardware or disassemble complex wiring harnesses.

• Dimensions: 2-1/2 inches (63.5mm) inside diameter by 50 feet long
• Heat Resistance: Reflects up to 90% of radiant heat; withstands up to 2000°F radiant heat
• Material: 19 oz glass fiber insulation with a reflective aluminum outer layer
• Construction: Reinforced with aramid thread for superior flame-retardant performance and durability
• Closure: Heavy-duty hook and loop edge for secure, tool-free installation
• Protection: Fireproof and resistant to oil, dirt, and road grime
• MPN: 93487

This flexible sleeving easily conforms to tight bends and is designed to keep lines cool and functional in high-heat environments. Note: DEI Heat Shroud is designed for radiant heat protection; do not apply directly to exhaust components.

The DEI Heat Sheath (MPN 93420) provides critical thermal and abrasion protection for wires, cables, and hoses. This 50ft spool features a 1-1/2" inner diameter designed to slide over components, shielding them from extreme heat, chemical spills, and road grime. The sleeving is constructed from 19 oz high-temperature glass fiber insulation bonded to an aluminized outer layer that reflects damaging radiant heat.

• Thermal Performance: Withstands up to 500°F direct heat and up to 2000°F radiant heat.
• Rugged Construction: Reinforced with aramid thread for enhanced abrasion resistance and flame-retardant durability.
• Flexible Design: Pliable material easily navigates tight bends in automotive plumbing and wiring harnesses.
• Installation: Quick slide-on application (requires unhooking lines/hoses); easily trimmed to exact required length.
• Specifications: 1.5 inch (1-1/2") I.D. x 50ft length; manufactured in the USA.

Installation Note: Do not apply this product directly to exhaust components. Designed for use on lines, hoses, and wiring looms needing heat reflection.

The DEI Heat Sheath provides critical thermal protection and abrasion resistance for lines, hoses, and wiring looms. Designed to slide over components during assembly or maintenance, this sleeving features a 19 oz high-temperature glass fiber core bonded to a reflective aluminized outer layer. It is precision-engineered to withstand direct, continuous heat up to 500°F and radiant heat up to 2000°F.

• Engineered Construction: Reinforced with aramid thread for superior durability and flame-retardant performance in high-heat environments.
• Chemical Resistance: Protects against oil spills, dirt, grease, and road grime while remaining pliable for tight bends.
• Installation: Slide-over design requires disconnecting one end of the line or hose; can be easily trimmed to exact length.
• Specifications: 1-inch Inside Diameter (I.D.) supplied on a 50-foot bulk spool.
• Origin: Manufactured in the USA.

Note: Manufacturer Part Number 93419. Do not apply this product directly to exhaust components or headers.

Protect critical lines, hoses, and wiring from extreme thermal damage and abrasion with DEI Heat Sheath (93418). This slip-over protection is constructed from a 19 oz high-temperature glass fiber insulation bonded to an aluminized surface to reflect radiant heat. It is precision-engineered to provide a pliable, durable barrier against heat, chemicals, oil spills, and road grime, ensuring your vehicle’s vital systems remain flexible and functional in harsh environments.

• Thermal Protection: Withstands up to 500°F direct heat and reflects up to 2000°F radiant heat.
• Construction: 19 oz high-temperature glass fiber insulation reinforced with aramid thread for superior abrasion resistance and flame-retardant performance.
• Dimensions: 1/2 inch Internal Diameter (I.D.) provided in a 50-foot bulk spool for custom-length applications.
• Installation: Slip-over design requires disconnecting one end of the line or hose for installation.
• Manufacturing: Proudly manufactured in the USA.

Note: Do not apply this product directly to exhaust components. Designed for use on wires, cables, and hoses.

Protect critical automotive components from damaging radiant heat with the DEI Heat Sheath. This high-temperature sleeving is engineered from a foil-faced fabric bonded to a heat-resistant base material, capable of reflecting over 90% of radiant heat. With a 2-inch inside diameter, it is specifically sized for large-diameter bundles, radiator hoses, and heavy-duty cabling.

This bulk 50-foot spool (MPN 93406) is an essential solution for race cars, off-road builds, and restoration projects where thermal management is vital for reliability. The tubular, non-split design provides seamless 360-degree protection, though it must be slid over components during the assembly or plumbing process.

• Manufacturer Part Number: 93406
• Inside Diameter: 2 inches (50.8mm)
• Length: 50-foot bulk spool
• Material: Aluminized heat-reflective fabric
• Protects wiring looms, fuel lines, and hydraulic hoses from radiant heat soak
• Reduces vapor lock and prevents heat-related electrical failures

The DEI Heat Sheath (93405) provides critical thermal protection for wires, cables, and hoses in high-heat automotive environments. This 50ft bulk spool is constructed from 19 oz high-temperature heat-treated glass fiber bonded to an aluminized outer facing, designed to reflect damaging radiant heat and maintain the integrity of vital components.

• Thermal Performance: Reflects up to 90% of radiant heat and withstands radiant temperatures up to 2,000°F.
• Premium Materials: Engineered with 19 oz glass fiber insulation and finished with a durable, fireproof aluminum layer reinforced with aramid thread.
• Versatile Application: Adjustable diameter accommodates lines from 1/2-inch to 1-1/4-inch; material remains flexible enough for tight bends.
• Environmental Durability: Provides a barrier against oil, dirt, road grime, and surface abrasions to extend the lifespan of plumbing and wiring.
• Bulk Spool: 50ft length allows for custom-trimmed protection across multiple systems without the waste of pre-cut sections.

Note: For radiant heat protection only. Do not apply directly to exhaust components or high-heat surfaces without an air gap.

DEI Heat Sheath (MPN 93404) provides professional-grade protection for lines, hoses, and wiring harnesses prone to failure from extreme thermal exposure and abrasion. Engineered to slide over components, this sleeving is constructed from 19 oz high-temperature glass fiber insulation bonded to a heat-reflective aluminized surface. The material is reinforced with aramid thread for superior durability and flame-retardant performance in high-heat environments.

• Heat Performance: Withstands up to 500°F of direct heat and 2000°F of radiant heat.
• Construction: 19 oz glass fiber bonded to a durable aluminum outer layer for fluid and grime resistance.
• Flexibility: Pliable design allows for easy routing through tight bends without compromising heat reflection.
• Installation: Slide-over design requires unhooking the line or hose; easily trimmed to the exact length needed.
• Dimensions: 1-1/4 inch (1.25") Internal Diameter on a 50ft bulk spool.

Note: Heat Sheath is designed for proximity protection; do not apply directly to exhaust components. Proudly manufactured in the USA.

Protect critical lines, hoses, and wiring from thermal fatigue and abrasion with the DEI Heat Sheath. This 50ft bulk spool is ideal for professional shop use or large-scale automotive plumbing projects where custom-length thermal protection is required. Designed as a slide-over sleeve, it features a high-temperature fabric bonded to an aluminized surface to reflect radiant heat away from sensitive components.

• Temperature Rating: Withstands up to 500°F (260°C) direct heat and up to 2000°F (1093°C) radiant heat.
• Construction: Pliable aluminized material bonded to high-temp fabric; fireproof and resistant to chemicals, oil, grease, and road grime.
• Installation: Designed to slide over wires, cables, or hoses before they are connected; highly pliable for routing through tight bends.
• Dimensions: 3/4-inch Internal Diameter (I.D.) x 50-foot continuous spool.
• Safety Note: Do not apply this product directly to exhaust components.
• Manufacturer Part Number: 93403

Protect critical fluid lines and electrical harnesses from extreme engine bay temperatures and abrasion with the DEI Fire Sleeve. This 1-inch I.D. thermal insulator is designed to prevent vapor lock in fuel lines, protect brake and transmission fluids from heat soak, and shield wiring looms from melting or failure. Constructed from high-temperature braided glass fiber and coated in 100% iron oxide silicone rubber, it provides a rugged, fireproof barrier capable of withstanding the harshest under-hood environments.

• Temperature Rating: Withstands 500°F (260°C) continuous heat and up to 2000°F (1093°C) intermittent heat.
• Fitment Compatibility: Sized for 10AN, 12AN, and 16AN lines (16AN is a tight fit); also suitable for 5/8" and 3/4" heater hoses.
• Material: Heavy-duty braided glass fiber interior with a thick silicone rubber outer coating for oil, chemical, and abrasion resistance.
• Flexibility: Material allows for 1/16" to 1/8" of stretch, aiding installation over existing fittings.
• Safety: Provides burn protection for technicians during maintenance and prevents line failure in high-performance or heavy-duty applications.
• Specifications: 1" I.D. x 25ft length; Manufacturer Part Number: 92474.

Note: Fire Tape (sold separately) is recommended for sealing the ends of the sleeve to prevent fluid wicking and ensure a professional finish.

The DEI Fire Sleeve (92473) provides a professional-grade fireproof solution to protect critical fuel, transmission, and brake lines from extreme heat and abrasions. Constructed from high-temperature braided fiberglass and heavily coated with 100% iron oxide silicone rubber, this 3/4" I.D. sleeve provides reliable thermal insulation for sensitive components in the harshest engine bay environments.

• Thermal Performance: Designed to withstand 500°F (260°C) continuous exposure and up to 2000°F (1093°C) of intermittent heat.
• Rugged Construction: The silicone-coated glass material is resistant to chemicals, moisture, and abrasion while offering burn protection for technicians during maintenance.
• Installation Flexibility: The sleeve material allows for 1/16" to 1/8" of stretch, making it easier to slide over existing fittings and connectors.
• Applications: Suitable for bundling wiring harnesses and protecting oil, brake, and transmission lines from radiant heat.

This 25-foot spool allows for custom-length trimming to fit specific automotive or industrial plumbing needs.

• Brand: DEI (Design Engineering, Inc.)
• Part Number: 92473
• Inside Diameter: 0.75 in (3/4")
• Length: 25 ft
• Material: Silicone-coated braided glass

DEI Fire Sleeve (92472) provides high-temperature insulation and abrasion protection for critical fuel, transmission, and brake lines, as well as electrical wiring harnesses. This 25-foot spool features a 5/8-inch (0.625") inner diameter designed to bundle lines or protect individual hoses in high-heat environments. It is an effective solution for preventing vapor lock and protecting components from oil or fluid soak.

Constructed from braided fiberglass material and heavily coated with 100% iron oxide silicone rubber, this sleeve is engineered to withstand extreme thermal exposure. The 5/8-inch sizing is optimized for -6AN and -8AN lines. The material allows for approximately 1/16" to 1/8" of stretch, which helps during installation over pre-existing fittings.

• Continuous Heat Resistance: 500°F
• Intermittent Heat Resistance: 2000°F
• Inside Diameter: 5/8 in. (0.625 in.)
• Length: 25 ft. spool
• Material: Braided glass with iron oxide silicone rubber coating
• Recommended Fitment: Fits -6AN and -8AN braided lines
• Function: Heat insulation, abrasion resistance, and burn protection
• Manufacturer Part Number: 92472

Note: Fire Tape for sealing ends is not included with this spool.

Protect critical fluid lines and electrical harnesses from extreme engine bay heat and abrasion with the DEI Fire Sleeve. This 3/8-inch I.D. thermal insulator is constructed from a high-temperature resistant braided glass material, heavily coated with 100% iron oxide silicone rubber. It provides a professional, fireproof solution for fuel, transmission, and brake lines, while also offering burn protection for technicians during under-hood maintenance.

• Heat Protection: Withstands 500°F (260°C) continuous radiant heat and up to 2000°F (1093°C) of intermittent heat exposure.
• Construction: Heavy-duty braided fiberglass sleeve with a thick silicone rubber coating for maximum insulation and fluid resistance.
• Versatility: Ideal for bundling wiring, hoses, and oil/brake/transmission lines to prevent vapor lock and wire degradation.
• Sizing & Fitment: This 3/8" I.D. sleeve (Part #92470) is designed for 3AN, 4AN, and 6AN lines. Note that 6AN lines may be a tight fit; the material allows for 1/16" to 1/8" of stretch to accommodate existing fittings.

Specifications:
Inner Diameter: 0.375 in. (3/8")
Length: 25 ft. Spool
Material: Silicone-coated fiberglass
MPN: 92470

The DEI Fire Wrap 3000 thermal insulator sleeve provides professional-grade heat protection for wires, cables, and hoses. Constructed from the same high-temperature materials as the DEI Fire Sleeve, this wrap features a convenient hook and loop edge closure, allowing for easy installation on existing lines without the need for disconnection.

Engineered to withstand continuous direct heat up to 500°F, Fire Wrap 3000 shields critical components from thermal damage while offering excellent resistance against oil, dirt, road grime, and other engine bay contaminants. The material is pliable enough to conform to tight bends while maintaining its protective integrity.

• Manufacturer Part Number: 91478
• Inside Diameter: 1 inch
• Closure Type: Hook & loop edge for easy wrap-around installation
• Temperature Rating: Up to 500°F direct heat
• Protection: Resists oil, dirt, grime, and contaminants
• Flexibility: Pliable for tight bends and custom routing
• Length: 3-foot minimum length, easily cut to fit your specific application

The DEI Heat Shroud GOLD (MPN 10924) provides a high-performance thermal barrier for protecting critical lines, hoses, and wiring without the need for component disconnection. This solution solves the problem of heat soak and abrasion-related failure by utilizing a high-temperature metalized polyimide lamination bonded to a robust 20oz heat-treated glass fiber base material. Designed to reflect up to 90% of radiant heat, it keeps components cool and flexible in the most demanding engine bay environments.

Featuring an integrated high-temperature hook-and-loop closure, this shroud allows for a quick, wrap-around installation on existing lines. This eliminates the labor-intensive process of removing one end of connected hoses or cables. The construction is reinforced with aramid thread for superior durability and flame-retardant performance.

• Radiant Heat Protection: Reflects up to 800°F; base glass material is rated to 1100°F.
• Adjustable Diameter: Fits lines and hoses from 2.0 inches to 2.5 inches in diameter.
• Dimensions: 36 inches in length.
• Installation: Hook-and-loop design allows for installation without line removal; can be cut to length.
• Quality Construction: Made in the USA with 20oz heat-treated base glass and metalized polyimide.

Note: Do not apply this product directly to exhaust components.

DEI Heat Sheath GOLD (MPN 10917) provides high-level thermal protection and abrasion resistance for critical lines, hoses, and wiring. Constructed from a high-temperature metalized polyimide lamination bonded to a robust 20oz heat-treated glass fiber base, this 1-inch diameter sleeve is engineered to reflect up to 90% of radiant heat in demanding engine bay environments.

The sleeving is reinforced with aramid thread for superior durability and flame-retardant performance. By keeping components cool and flexible, it prevents heat-related failures and premature wear. The slide-on design ensures a secure fit for lines that can be disconnected during installation; simply unhook the line, cut the sleeve to length, slide it on, and reattach.

• Dimensions: 1 in. ID x 36 in. Length
• Reflects radiant heat up to 800°F
• Base glass material rated to 1100°F
• High-temperature metalized polyimide lamination
• Reinforced with aramid thread for abrasion resistance
• Tested to ASTM D1120 standards
• Manufactured in the USA

Note: Do not apply directly to exhaust components. This product is designed to reflect radiant heat from external sources.

DEI Heat Sheath GOLD (MPN 10916) provides critical thermal protection for lines, hoses, and wiring looms prone to heat-related failure or abrasion. This high-performance sleeving is constructed from a metalized polyimide lamination bonded to a robust 20oz heat-treated glass fiber base, allowing it to reflect up to 90% of radiant heat.

Designed for the most demanding engine bay environments, Heat Sheath GOLD keeps air intakes and fluid lines cool while remaining flexible. The sleeve is reinforced with aramid thread for maximum durability and flame-retardant performance. To install, simply disconnect one end of the line or hose, cut to length, and slide the sheath into place.

• Protects against radiant heat up to 800°F
• Base glass material rated to 1100°F
• Reflects up to 90% of radiant heat
• Reinforced with aramid thread for high abrasion resistance
• Tested to ASTM D1119 standards
• Dimensions: 1/2in ID x 36in length
• Proudly manufactured in the USA
• Manufacturer Part Number: 10916

Note: Do not apply this product directly to exhaust components.

DEI Heat Sheath GOLD provides a high-performance solution for protecting lines, hoses, and wiring from radiant heat damage and abrasion. Engineered with a high-temperature metalized polyimide lamination bonded to a robust 20oz heat-treated glass fiber base, this sleeving is designed to keep critical components cool in extreme engine bay environments. It effectively reflects up to 90% of radiant heat, helping to prevent vapor lock, wire degradation, and fluid overheating.

This 1-1/4 inch ID sleeve is reinforced with aramid thread for enhanced durability and flame retardancy. The slide-on design ensures a clean, continuous layer of protection for air intakes and fuel lines. Note: This product requires disconnecting one end of the line or hose for installation and should not be applied directly to exhaust components.

• Manufacturer Part Number: 10915
• Dimensions: 1-1/4" (1.25in) ID x 36" Length
• Material: Metalized polyimide laminated to 20oz heat-treated glass fiber
• Radiant Heat Rating: Reflects up to 800°F
• Base Glass Rating: Withstands up to 1100°F
• Compliance: Tested to ASTM D1118 standards
• Construction: Reinforced with high-strength aramid thread
• Origin: Manufactured in the USA

DEI Heat Sheath GOLD (10914) provides critical thermal protection for lines, hoses, and wiring looms exposed to high-heat environments. Engineered from a high-temperature metalized polyimide lamination bonded to a 20oz heat-treated glass fiber base, this sleeving reflects up to 90% of radiant heat to prevent fluid boiling, vapor lock, and wire insulation failure.

The sleeve is reinforced with aramid thread for superior abrasion resistance and flame-retardant performance. Its slide-on design ensures a secure, continuous barrier that maintains flexibility while protecting components up to 800°F. This 3/4-inch diameter sleeve is ideal for fuel lines, vacuum lines, and sensor harnesses in demanding automotive or industrial applications.

• Reflects up to 90% of radiant heat
• Metalized polyimide lamination bonded to 20oz heat-treated glass fiber
• Radiant heat resistance up to 800°F; base glass rated to 1100°F
• Reinforced with aramid thread for increased durability and abrasion resistance
• Tested to ASTM D1117 standards
• Dimensions: 3/4" Inner Diameter x 36" Length
• Manufacturer Part Number: 10914
• Made in the USA

Note: Not for use directly on exhaust components.