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Fittings & Plugs

Part Groups

Results 1 - 24 of 98

On Sale

Earl's Performance Vapor Guard Hose Ends

Defend your ride from modern fuels with Earl's Performance vapor guard accessories like these vapor guard hose ends. Made from quality aluminum, these hose ends feature a special smooth retention band that retains your hose under pressure, while also ensuring that the hose line is not damaged. They're bright-dip anodized to offer long service life, even when used with today's harsh fuels. They make assembly a snap! Simply cut the hose, push the vapor guard hose ends on and tighten the clamps, that's all there is to it! Choose from an assortment of sizes and fittings styles--45 degree, 90 degree, or straight--to best suit your project needs.

4.9 out of 5 stars ( 170 )

$7.77

$14.85


$5.83

$8.17

On Sale

Holley Air Conditioner Compressor Manifolds

Holley offers air conditioner compressor manifolds in a variety of styles and finishes. These replacement line adapters are machined from aluminum or copper and will facilitate your A/C compressor hookup. Mounting hardware is included. Applications include vehicles with a GM LS engine.

4.88 out of 5 stars ( 8 )

$24.14

$42.44


$21.73

$38.20

On Sale

Scott Drake Oil Pressure Sending Extensions

Scott Drake oil pressure sending extensions are offered in a choice of sizes and finishes. These hex shaped extensions are made from machined metal and are crafted for durability and quality.

4.79 out of 5 stars ( 52 )

$35.65

$40.41


$32.09

$36.37

On Sale

Fluidyne High Performance AN to AN O-Ring Adapter Fittings

Fluidyne High Performance AN to AN O-ring adapter fittings join two components of the same size or acclimate two different sizes together with a secure leak-free connection. Available in several size choices, each O-ring fitting features aluminum construction and a durable black anodized finish. Select the fittings based on your cooling system needs.

Not Yet Reviewed

$9.95

$17.49


$8.96

$15.74

On Sale

Holley Fuel Fittings

Holley has fittings to adapt different sized fuel lines to bare Holley fuel bowls, as well as hose and banjo fittings for special applications.

4.64 out of 5 stars ( 105 )

$18.99

$49.95


$17.09

$44.96

On Sale

Holley EGT Bungs

Holley EGT bungs are quality replacement service parts designed exclusively for use with Holley's 8-Channel Exhaust Gas Temperature Monitoring kit (sold separately). Made from 316 stainless steel, these weldment bung fittings feature a built-in step—which keeps the bung held in place during the welding process, ensuring a perfect weld. They're sold individually or in multiple-piece count sets.

Not Yet Reviewed

$27.90

$184.95


$25.11

$166.45

On Sale

Holley MAP Sensor Port Plugs

Holley MAP sensor port plugs are milled from billet aluminum for strength, powdercoated for corrosion resistance, and include an O-ring for a tight seal. They're designed to eliminate LS3-style MAP sensors and work with most intake manifolds.

5.0 out of 5 stars ( 5 )

$36.14


$32.53

On Sale

Scott Drake Heater Hose Elbow Fittings

Connect your hoses properly with Scott Drake heater hose elbow fittings. They're machined from steel and are available in a variety of styles, sizes, and finishes. These fittings are ideal plumbing replacements for classic cars from the 1960s and '70s.

4.49 out of 5 stars ( 35 )

$23.75

$45.74


$21.38

$41.17

On Sale

Holley Fuel Bowl Fittings

These Holley fuel bowl fittings are an exact fit to ensure a perfect seal. An O-ring is included, so you won't have a fuel leak again.

4.87 out of 5 stars ( 38 )

$16.78

$38.13


$15.10

$34.32

On Sale

Holley Manifold Plug and Fitting Kits

Holley manifold plug and fitting kits allow two different styles of connections within one unit. They are offered to service your mid-mount accessory drive LT/LS, BBC, and SBC cooling manifolds. These genuine Holley fittings are constructed from aluminum and feature a chrome finish for longevity.

4.5 out of 5 stars ( 2 )

$22.41

$43.69


$20.17

$39.32

On Sale

Flowtech Weld-In O2 Sensor Bungs

Flowtech offers these weld-in O2 sensor bungs for custom installations. These high-quality emissions accessories work with your other Flowtech accessories to make your header installation a success.

5.0 out of 5 stars ( 6 )

$21.95


$19.76

On Sale

NOS Tee Adapter Fittings

NOS tee adapters will make plumbing a custom nitrous system a whole lot easier. They're ideal for multi-stage and EFI systems. The fittings are available in a variety of styles, sizes, materials, and finishes.

4.5 out of 5 stars ( 4 )

$31.18

$46.56


$28.06

$41.90

On Sale

Fluidyne High Performance Hose Barb to AN O-Ring Adapter Fittings

Don't change your hoses, just select the right adapter, and screw it in! Fluidyne High Performance hose barb to AN O-ring adapter fittings are specifically designed to work with Fluidyne LS swap and other MFC-style radiators. These screw-in fittings can also be used with any ORB port fitting of the proper size. Fluidyne hose barb to AN O-ring adapter fittings are available in 1.25 in., 1.50 in., 1.75 in., 16AN Male, and 20AN Male; select fittings based on your cooling system design.

Not Yet Reviewed

$25.00


$22.50

On Sale

Holley AN to Straight Cut O-Ring Fittings

Holley AN to straight cut O-ring fittings are great fuel pump accessories. They are hard anodized aluminum for wear and corrosion resistance--so your Holley fittings last longer!

4.75 out of 5 stars ( 4 )

$22.39

$32.66


$20.15

$29.39

On Sale

Fragola Performance Systems Swivels

Whether you need bulkheads, tees, unions, reducers, swivels, couplers, or elbows to complete your plumbing job, look no further than Fragola for the finest fittings and adapters. To the people at Fragola, engineering has great value, and perfecting their hose ends and fittings is serious business. Fragola Performance Systems swivel adapter fittings are manufactured from aerospace-quality aluminum to exacting standards for tight, leak-free connections and then anodized for added durability. These American-made swivel adapter fittings are available in varying sizes to fit nearly any application. Plumb with precision fittings from Fragola Performance Systems.

4.51 out of 5 stars ( 53 )

$7.99

$26.99


$7.19

$24.29

On Sale

Holley Fuel Rail Adapter Fittings

Holley fuel rail adapter fittings are designed to connect Holley fuel rails to a GM factory fuel line. They're machined from aluminum (black anodized) or steel (yellow dichromate), and are available in different sizes, angles, and attachment options.

4.5 out of 5 stars ( 2 )

$39.50


$35.55

On Sale

Quick Fuel Carburetor and Fuel System Fittings

Don't take chances. Quick Fuel carburetor and fuel system fittings are designed to ensure the reliability required in your fuel system. They're made in an assortment of designs to adapt AN-style hose to most carburetor inlets, as well as a number of fuel injection systems. Make reliable, accurate, leak-free connections with Quick Fuel carburetor and fuel system fittings.

4.33 out of 5 stars ( 6 )

$22.41

$39.22


$20.17

$35.30

On Sale

Fragola Performance Systems Brake Adapters

When replacing your brake lines, or plumbing a new brake system, use Fragola Performance Systems brake adapters to complete the job properly. These brake adapters are manufactured from high-quality steel machined to mil spec tolerances and zinc coated for durable, tight connections. No matter what the job--connecting PTFE-lined hose to calipers, wheel cylinders, or hard lines, or just replacing leaky banjo bolts--Fragola brake adapters offer easy, secure installation, even where space is tight. Plumb with the best--Fragola Performance Systems.

4.61 out of 5 stars ( 107 )

$15.99

$25.99


$14.39

$23.39

On Sale

Frostbite Radiator Inlet Nipple to Straight Cut Fittings

Frostbite offers radiator inlet nipple to straight cut fittings in a variety of sizes and configurations. These aluminum fittings include an O-ring seal, and facilitate secure connections for your cooling system. Order the model needed for your radiator application.

4.5 out of 5 stars ( 2 )

$77.75

$83.35


$42.76

$75.02

On Sale

NOS Late Model Billet Fuel Line Adapters

NOS late model billet fuel line adapters eliminate cutting, drilling, and modifications when installing nitrous on a late model fuel injected vehicle. These black anodized adapters will ease some of your plumbing problems. Simply disconnect the OE fuel hose and install an adapter between the OE fuel rail and fuel hose. The adapters include 1/8 in. NPT ports and are available in multiple fitting sizes.

4.71 out of 5 stars ( 7 )

$45.53

$62.45


$40.98

$56.21

On Sale

Holley Weld-On Fill Cap Kits

Holley weld-on fill cap kits include a cap CNC-machined from 6061-T6 billet aluminum with a bright, black anodized finish for great looks and corrosion protection. They're available with aluminum or steel weld bungs to match your application. Holley weld-on fill cap kit features include: * Allows for installation of a fill cap or inspection plug anywhere needed * Caps feature a laser-etched "Holley Equipped" logo * Easy-to-grip screw-on cap with O-ring seal and a 1.38 in. diameter opening * 1.950 in. O.D. / 1.400 in. I.D. weld bung * 1.810 in. diameter at the step of weld bung * 0.675 in. weld bung overall height * 0.570 in. height at the step of weld bung * 1 1/2-12 in. thread

5.0 out of 5 stars ( 2 )

$56.19


$50.57

On Sale

Fragola Performance Systems Reusable PTFE Hose Ends

When you're plumbing brake lines, gauges, power steering, or air conditioning with durable PTFE stainless braided hose from Fragola, you need hose ends that will do the job just as well. These reusable hose ends feature a miniature "olive" that retains the hose inside of the fitting. By replacing the olive, Fragola Performance Systems PTFE hose ends can be used over and over again. PTFE hose ends are available in zinc coated steel and anodized aluminum in a surplus of sizes, styles, and angles to fit just about any application. Plumb with the best--Fragola Performance Systems PTFE hose ends.

4.2 out of 5 stars ( 20 )

$14.99

$42.99


$13.49

$38.69

On Sale

Scott Drake Upper Control Arm Grease Fitting Kits

Scott Drake upper control arm grease fitting kits can help to quiet front end noises and ensure that all threads on the shaft remain lubed. The 90 degree grease fittings are designed for easier installation, as they don't run into the shock tower. These zerk fittings help extend the life of your control arms, since they can now be greased easily. They're available as a set of fittings or in a kit with extensions and installation tool included. Eliminate squeaky upper control arms with help from Scott Drake grease fittings.

4.75 out of 5 stars ( 12 )

$23.75


$21.38

On Sale

Holley EFI Vacuum Manifolds

The Holley EFI vacuum manifold kit is designed for as a simple and clean solution for plumbing either vacuum or boost referenced sources. This manifold block features 12 1/8th NPT ports that can be plumbed with most common EFI transducers, such as the Holley 554-102 0-100 psi transducer. It also features two -6 O-ring boss AN ports, ensuring your manifold block has an excellent vacuum or boost reference source. Improve your engine bay organization by mounting all of your common pressure sources in one easy-to-access location! Product features: * Compatible with all transducers that utilize 1/8 NPT male threads and 7/8 in. or smaller body/hex diameter * 12 independent 1/8 NPT ports * Two -6 ORB ports * Improve engine bay organization by mounting transducers and/or vacuum lines all in one easy-to-reach location * Ideal for engines that require multiple vacuum/boost reference sources * 4 mounting holes designed for the use of 5/16 in. socket head cap hardware for secure and robust mounting * Crafted from 6061 aluminum * Anodized black for durability and laser-etched with the Holley EFI logo

Not Yet Reviewed

$73.19


$65.87

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