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Underhood Accessories

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Results 1 - 24 of 58

AVS Motorsports Speedcover Kits

What AVS Motorsports Speedcover kits can do for your LS engine can only be limited by your imagination! The main components are made from a special high-temperature resistant automotive polycarbonate and feature 6061 billet aluminum cover inserts. AVS Speedcover kits are compatible with any automotive paint or hydro dipping for endless customizing capabilities. What is your LS Performance styling vision? AVS Speedcover kits include: * Valve covers * Intake cover * Cover inserts * ARP mounting hardware * Billet aluminum oil filler * Aluminum cylinder stand-offs

1.0 out of 5 stars ( 1 )

$949.00

DEI Fire Sleeves

Design Engineering Fire Sleeves offer ideal protection against intense underhood heat, making them perfect for protecting hoses, oil and fuel lines, and electrical wiring. The Fire Sleeves are constructed of a woven fiberglass braided sleeve heavily coated with 100 percent iron oxide silicone rubber. They are capable of withstanding temperatures of up to 500 degrees F continuous and up to 2,000 degrees F intermittent.

4.89 out of 5 stars ( 27 )

$114.99

$679.99

Roto-Fab LS Engine Covers

Roto-Fab LS engine covers have become quite popular for LS engine swap customers. They're designed to maximize clearance between the covers and engine components, such as coils and fuel lines. In addition to clearance, the covers will give your engine a slightly higher, bolder appearance in the engine bay. Compatible with the Roto-Fab LS plenum cover, as well as the Roto-Fab billet oil cap, these covers install in minutes without removing the fuel rail or intake bolts. They have front-end caps which are flat across the bottom and extend nearly the full width of the cover. Order the pair recommended for your vehicle.

5.0 out of 5 stars ( 1 )

$469.95

Summit Racing™ Hood Heat and Sound Barrier Kits

Block heat and reduce noise from your engine compartment with Summit Racing™ hood heat and sound barrier kits. OEM Type or adhesive-backed matting has a heat-reflective aluminum outer layer. Best of all, these sheets will stick to steel, primer, and fiberglass with little to no surface preparation.

4.89 out of 5 stars ( 28 )

$36.99

Ford Performance Parts 2024 Mustang 5.0L Engine Covers

Dress up your Gen 4 Coyote crate engine compartment with a 2024 Mustang 5.0L engine cover from Ford Performance Parts. These fuel rail and coil covers are manufactured from plastic with a black/silver finish and a black/red logo. Notes: * Fits 2024 Mustang 5.0L * Fits M-6007-M50D and M-6007-M50DAUTO crate engines * Does not fit Gen 1, 2 or 3 Coyote crate engines

Not Yet Reviewed

$90.99

DEI Heat Sheath Sleeves

DEI Heat Sheath sleeves are made from high-temperature fiberglass fabric bonded to aluminized material and then sewn into a tube. Designed to slide over wires and hoses, these sheaths can be easily shaped to fit the tightest bends. They will reflect up to 90 percent of the radiant heat and can insulate against up to 500 degrees of direct, continuous heat. They can be easily cut to length with scissors or a sharp knife and come in five popular diameters from 3/4 in. to 1 1/4 in., in 3 ft. lengths. They are also available in bulk, up to 50 ft. rolls.

4.81 out of 5 stars ( 89 )

$171.99

$249.99

Auto Metal Direct Fender Reinforcing Bars

Auto Metal Direct fender reinforcing bars are part of AMD's extensive line of OE-quality replacement parts made to help you get your car or truck back into top condition. Available as correct OE-reproductions of the original factory fender support bars with original black finish; they are also offered in polished, triple-chrome plated after-market styles for dress-up or show.

3.75 out of 5 stars ( 4 )

$27.99

$41.99

DEI Cool Cover GOLD Air Tube Covers

DEI Cool Cover GOLD air tube covers can solve the problem of heat soak in air tubes and cold air intakes. Cool Cover Gold is a high-temperature metalized polyimide lamination, bonded to a robust heat-treated glass fiber material to reflect radiant heat from air tubes. This heat barrier promotes a cooler, denser air charge for added power, and is designed to fit up to 4 in. diameter tubing. Made with the convenience of a unique hook-and-loop closure design along the open edges, this air intake insulator by DEI installs and removes in seconds for show or go!

Not Yet Reviewed

$79.99

DEI Hoodliner Insulation Kits

DEI hoodliner insulation kits are the perfect replacements for your worn out, dirty hoodliner! They are custom-cut kits, made from DEI's black underhood material, and will control heat and sound, as well as protect your paint from engine heat and chemicals. An aggressive adhesive backing makes for an easy installation. Order the hoodliner insulation kit recommended for your year/make application.

3.63 out of 5 stars ( 8 )

$123.99

DEI Air Tube Cover Kits

DEI air tube cover kits are designed to prevent air tubes from becoming heat sinks. Made of heat-treated fiberglass with a reflective coating, the air tube covers will reflect heat away from the air tube and allow cooler air to be introduced into the intake for a denser air/fuel charge. They can be installed/removed in seconds without the use of tools by a full-length hook-and-loop closure system. DEI air tube covers are available in a 36 in. long x 14 in. wide that can easily be cut to size for smaller applications.

5.0 out of 5 stars ( 7 )

$65.99

Trans-Dapt Performance Radiator Support Panels

Trans-Dapt radiator support panels fit right up at the front and center of the core support. Available in your choice of finishes, they come complete with chrome bolts.

4.53 out of 5 stars ( 19 )

$31.99

Chevrolet Performance Engine Covers

Chevrolet Performance engine covers give your bay an impressive look when you lift the hood. Several models are available to complement or contrast the exterior color of your Camaro or Corvette. Take your engine compartment to a stylish new level with an attractive cover from Chevrolet Performance.

5.0 out of 5 stars ( 1 )

$84.99

$439.99

Goodmark Hood Insulation Pads

Goodmark hood insulation pads suppress sound and heat. The die-cut "blankets" attach to the underside of your classic's hood to reduce noise from the engine, protect body paint from the heat, and offer safety in case of an engine fire. Many insulation pads include clips for a complete install. Order the kit recommended for your vehicle application.

4.07 out of 5 stars ( 14 )

$33.99

$64.99

ACDelco GM Genuine Parts Engine Intake Manifold Covers

ACDelco GM Genuine Parts engine intake manifold covers are designed, engineered, and tested to rigorous standards—and are backed by General Motors. Made to fit your specific GM vehicle, these replacement air intake components are crafted from the highest-grade materials for correct fit, and dependable, long-lasting service. Make sure your engine breathes properly with ACDelco's selection of top-quality replacement air intake parts.

4.5 out of 5 stars ( 2 )

$72.99

DEI Heat Shroud Sleeving

DEI Heat Shroud sleeving solves the problem of heat and abrasions causing failure of lines, hoses, and wires without the need to disconnect them. Offered in two different materials, both provide high-temperature protection and the added convenience of a hook-and-loop closure design that eliminates the need of removing one end of connected wires, cables, or hoses to install. Heat Shroud with glass fiber fabric and aluminized outer facing has the versatility of fitting diameters from 0.5 in. to 2.5 in. diameter, is easy to trim to length, and reflects 90 percent of radiant heat. For more demanding applications there is DEI Heat Shroud GOLD featuring metalized polyimide lamination, bonded to a robust 20 oz. heat-treated glass fiber base (rated to 1,100 degrees F) material. It is able to reflect radiant heat up to 800 degrees F and will fit diameters from 0.5 in. to 1.25 in.

4.67 out of 5 stars ( 72 )

$462.99

Soffseal Hood Insulation Pads

Excessive engine heat can damage the metal hood of your vehicle and, in some cases, can cause surface paint to bubble or peel. Soffseal hood insulation pads are made from durable, heat-resistant material to help dissipate engine heat and extend the life of your hood's paint finish. They can also contribute to a much quieter ride. The pads are available in different styles for both universal and vehicle-specific applications.

4.14 out of 5 stars ( 7 )

$33.44

Goodmark Fender Reinforcing Bars

Goodmark fender reinforcing bars are OE-quality replacements specifically designed for each application, ensuring a perfect fit. They're manufactured from proper gauge material for ultimate strength and durability. These braces are available in a variety of styles for classic car and truck applications from the 1960s and '70s.

4.8 out of 5 stars ( 15 )

$8.99

$27.99

RESTOPARTS® Supplied Hood Insulation

RESTOPARTS® Supplied offers replacement hood insulation for a wide range of applications from 1954 and up. These kits are machine stamped to the stock specifications to be an exact replacement for the factory original insulation. Hood insulation dramatically increases heat absorption and reduces engine noise. Order the kit designed and cut to fit your vehicle.

4.38 out of 5 stars ( 8 )

$53.99

RESTOPARTS® Manufactured Battery Top Covers

Give your car an original look with a Delco battery cover from RESTOPARTS® Manufactured. Every tag and decal has been authentically reproduced to create an exact duplicate. They are easy to install and will fit over any 24-60 flattop battery with the correct post position.

5.0 out of 5 stars ( 1 )

$92.99

ACDelco Fuel Rail Covers

ACDelco fuel rail covers are designed to give your engine good looks under the hood. They're made of a durable, heavy-duty plastic material and are available in different finishes. Order the fuel rail covers tailored to fit your application.

5.0 out of 5 stars ( 1 )

$68.99

Mopar Performance Hood Insulation Silencers

Mopar Performance offers hood insulation silencers for a variety of applications, including many Dodge Ram truck models from 2001 and up. These replacement pads are manufactured from factory materials and specs to ensure proper fitment and sound-deadening performance. Order the insulation designed for your vehicle.

4.2 out of 5 stars ( 5 )

$141.99

Dorman Hood Insulation Fasteners

Is the insulation sagging when you lift the hood of your vehicle? If so, you're likely missing some retaining clips that hold it in place. Order a package of special fasteners from Dorman to help install original or replacement hood insulation. Designed as OEM direct fit accessories, most of these fasteners are made from high-quality nylon and available in various lengths and head diameters. They're suitable for a broad range of automotive, industrial, and commercial uses--with various quantities to assist with small or large projects. Whatever your replacement needs, Dorman has you covered.

4.71 out of 5 stars ( 7 )

$3.99

Painless Performance 7-Circuit CirKit Boss Replacement Fuse Covers

Do you need to replace your damaged or lost rubber cover for your weatherproof 7-circuit CirKit Boss? Painless Performance has the solution. These rubber fuse block covers are direct replacements for the original CirKit Boss covers.

5.0 out of 5 stars ( 6 )

$13.99

OER Fender to Radiator Reinforcement Bars

OER fender to radiator reinforcement bars help keep your front sheet metal from flexing while driving. They install from the fenders to the radiator support on each side under the hood. OER fender to radiator reinforcement bars are offered in original black and highly polished chrome finishes to best complement your application.

3.5 out of 5 stars ( 4 )

$30.99

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