Earl's Fittings & More Performance Plumbing

Nobody plumbs it better than Earl's Performance! From hose and fitting, adapters, brake lines, radiator and heater hoses to coolers, gaskets, and more, Earl's Performance...

Nobody plumbs it better than Earl's Performance! From hose and fitting, adapters, brake lines, radiator and heater hoses to coolers, gaskets, and more, Earl's Performance Plumbing has you covered. Winning funny car and open-wheel racers have relied on Earl's aerospace-inspired, tough and reliable plumbing components for decades, so you can rest easy knowing they're up to the challenges of your unique ride. Plumb your whole vehicle with a little help from Earl's-the company even has specialized AN tools to get the job done right!

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On Sale

Earl's Performance Brake System Adapters

Earl's Performance brake system adapters are offered in many configurations to connect your brakes properly—and with confidence. Their wide selection includes brake, banjo, and banjo bolt adapters, tube and tee adapters, as well as male-to-male reducers. Many of the adapters will connect Earl's Hyperfirm, racing, and off-road hoses to stock or upgraded brake wheel cylinders and calipers. They are available in electroless nickel plate steel, brass, and corrosion-resistant stainless steel. Got a brake job to do? Stop! Check out the wide selection of Earl's brake system adapters to get the job done right.

4.57 out of 5 stars ( 188 )

$32.66

$10.38

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$40.20

Earl's Performance Vapor Guard OEM Quick-Connect Fuel Rail Adapter Fittings

Earl's Performance introduces Vapor Guard OEM quick-connect fuel rail adapter fittings. These fuel line fittings offer an easy way to re-use existing OE fuel rails, fuel filters, and other components when doing an engine swap—or upgrading to Vapor Guard (or other AN plumbing). Each fitting has a -6 AN male flare and a metal retainer nut for a secure leak-free connection to the 5/16 or 3/8 in. SAE-style fuel tube. The adapters are machined from 6061 T6 aluminum with a black anodized finish. Order the size needed for your application. Additional product features and benefits: * Allows easy transition from AN plumbing to OEM late model fuel rails, fuel filters, and other fuel system components * Metal retainer nut is more secure than plastic clip * Choose from adapters that fit OE 5/16 or 3/8 in. tube on fuel rails (and other components) * Economically priced * Ideal for use with Earl's Vapor Guard hose and hose ends * Slim design for extra clearance

4.81 out of 5 stars ( 21 )

$27.98

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$33.93

Earl's Performance Tube Adapter Fittings

Earl's Performance tube adapter fittings will simplify your plumbing project! They are manufactured from quality aluminum and feature a black, red, or blue anodized finish. Both male and female tubing adapters are available. These adapter fittings were originally designed to meet the needs of the racing industry but will work with any low-pressure application to adapt aluminum tubing to AN or NPT type fittings. Order the fitting type you need.

4.8 out of 5 stars ( 160 )

$18.23

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$31.96

Earl's Performance Pressure Gauge Adapters

The ideal way to install a gauge is with Earl's Performance pressure gauge adapters. Offering adapters/couplers in a wide range of sizes, angles, materials, and finishes, you are sure to find exactly what you need. Whether for a fuel or oil pressure gauge, a gauge head adapter to connect your gauges with Earl's lines and fittings, a specific gauge fitting for your LS swap, or any other plumbing situation or custom build, Earl's will get you connected with the precision and performance of their premium pressure gauge adapters. Order the perfect fit for your project from Earl's.

4.75 out of 5 stars ( 69 )

$11.48

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$31.96

Earl's Performance Transmission Cooler Line Adapters

Earl's Performance transmission cooler line adapters make your plumb job easier. Integrating into the transmission and adapting to AN lines allows additional tunnel clearance and freedom that the original hard lines cannot. These adapters are available for many plumbing situations and custom applications. They're machined from high-quality materials, including nickel plated steel or billet aluminum with a black anodized finish, and have high-pressure capabilities. Order the adapter size and configuration needed for your application.

4.44 out of 5 stars ( 34 )

$20.09

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$72.55

On Sale

Earl's Performance AN to NPT Adapter Fittings

Earl's Performance adapters are available in anodized aluminum and zinc plated steel. Precision-machined to exacting tolerances for trouble-free performance, they allow you to connect AN and NPT fittings together quickly and easily.

4.87 out of 5 stars ( 140 )

$66.55

$4.25

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$47.74

Earl's Performance Weld-Less Fuel Return Fittings

Earl's Performance weld-less fuel return fittings install just like rivet nuts, eliminating the need to access the inside of the tank or cell. Just drill a hole, install return tube, insert the fitting with the rubber washer, and tighten the bolt! The fitting collapses or "mushrooms" from the underside, securing it to the tank and creating a perfect seal to the tank mating surfaces. They are machined from 6061 billet aluminum and tested with tank material thicknesses up to 1/8 in. (0.125 in.). Each Earl's kit includes an oversized Viton® fluorelastomer rubber sealing washer, hex head screw with steel washer, -6AN low-profile port plug with Viton® O-ring, and two tube options--fixed and flexible nylon. Additional features: * Accommodates 6AN, 8AN, 5/16 in., or 3/8 in. hose barb adapters (sold separately) * Integrated 3/8 in. hose barb feature effectively routes returning fuel below surface level * Eliminate overhead splash * Maintain consistent fuel pressure by keeping air out of fuel system * Knurled ribbed body helps prevent rotation * Suitable for pump gas and E85 * Compatible with steel or aluminum tanks up to 1/8 in. thick * Installs on flat horizontal surfaces mounted on top of tank

4.25 out of 5 stars ( 4 )

$47.09

On Sale

Earl's Performance Couplers

Earl's makes such a wide variety of couplers, we can't imagine a plumbing job that you couldn't use them on. The couplers are available for male-to-male, female-to-female, and male-to-female thread in AN and NPT versions. Earl's even makes swivel-to-swivel couplers, to make routing line a snap.

4.73 out of 5 stars ( 215 )

$52.11

$7.14

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$90.15

Earl's Performance AN Caps

These Earl's Performance AN caps prevent dirt and debris from entering externally threaded hose fittings and adapters. Designed to seal automotive-type fluids, they're manufactured from aluminum and feature an attractive blue anodized finish for a great appearance.

5.0 out of 5 stars ( 41 )

$10.02

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$17.21

Earl's Performance Bulkhead Adapter Fittings

Earl's bulkhead adapter fittings provide an easy way to securely connect your lines together through firewalls, panels, etc. They are available in aluminum or steel, and in a variety of sizes, configurations, and finishes.

4.56 out of 5 stars ( 32 )

$11.45

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$75.09

Earl's Performance Clutch Adapter Fittings

Earl's Performance clutch adapter fittings convert OEM master cylinders, clutch release bearings, and slave cylinders to accept a better replacement for your less-than-perfect OEM plastic hose. These quick-disconnect fittings work perfectly with Earl's Speed Flex hose (not included). They're made from 304 stainless steel or aluminum and include EPDM O-rings. The adapter fittings are offered in several early and late model vehicle styles, straight and 90 degree angle. Check your OEM hose for the proper fit.

4.73 out of 5 stars ( 30 )

$22.11

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$61.45

Earl's Performance AN to Inverted Flare Adapter Fittings

From carburetors and power steering to fuel pumps and transmissions, Earl's Performance has the fittings you need to get the job done. They're manufactured from steel or aluminum alloys that meet and exceed the minimum requirements for aerospace fittings. These AN to inverted flare adapter fittings are precision-machined to exacting tolerances, whether your project requires a straight or angled connector. Choose the style and sizes you need for long-lasting, trouble-free performance—exactly what the automotive industry can always count on from Earl's!

4.67 out of 5 stars ( 121 )

$12.87

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$38.37

Earl's Performance AN to Metric Adapter Fittings

Earl's Performance AN to metric adapters solve the troublesome problem of connecting AN line to metric-threaded components. The straight adapters are available in a variety of materials, finishes, sizes, and attachment styles.

4.79 out of 5 stars ( 108 )

$14.35

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$27.28

Earl's Performance AN Port Adapters

Earl's Performance special purpose adapters are manufactured from an aluminum alloy which meets and exceeds the minimum requirements for aerospace fittings. They're precision-machined to exacting tolerances for trouble-free and long-lasting performance, and feature a contoured port end for maximum flow.

4.89 out of 5 stars ( 37 )

$14.31

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$33.48

Earl's Performance Weld-In Oxygen Sensor Bungs

Earl's oxygen sensor weld fittings are the ideal way to add a sensor when converting to EFI or adding a wideband air/fuel gauge for tuning carbureted engines. The weld fittings are available in steel or stainless steel to match your exhaust system. The thread size is 18mm x 1.5 and fit most OEM and aftermarket oxygen sensors. They feature a recessed step for easy installation by drilling a hole in the exhaust system and welding the fitting in place.

4.92 out of 5 stars ( 13 )

$11.46

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$15.79

Earl's Performance Fuel Rail and Fuel Module Quick-Connect Fittings

Earl's Performance fuel rail and fuel module quick-connect fittings provide an easy way to upgrade to billet fuel rails or an in-tank fuel module. They feature stainless steel and aluminum construction—as well as time, money, and effort savings by allowing you to retain your stock OEM-style fuel hose. These 90 degree adapters have -8 AN O-ring boss port fittings on one end, and the OEM-style 5/16 in. or 3/8 in. fuel rail-style connection on the other end. Order the size needed for your application.

5.0 out of 5 stars ( 3 )

$40.20

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$45.60

On Sale

Earl's Performance AN to Straight Cut O-Ring Fittings

Earl's Performance AN to straight cut O-ring fittings allow you to plumb from an AN line to a fitting that uses an O-ring seal. They are manufactured from high-quality aluminum and are anodized for protection against corrosion. Earl's Performance AN to straight cut O-ring fittings are available in different configurations and styles, so you can use them throughout your vehicle.

5.0 out of 5 stars ( 61 )

$31.18

$17.58

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$70.39

On Sale

Earl's Performance Power Steering Adapter Fittings

Earl's Performance offers a complete line of power steering adapter fittings to accommodate a variety of thread sizes to plumb your pump. Earl's offers the most complete line of adapter fittings in the industry.

4.13 out of 5 stars ( 24 )

$8.27

$4.67

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$86.35

Earl's Performance Vapor Guard Tee Adapter Fittings

Earl's Performance Vapor Guard tee adapter fittings make your hose assembly a snap! They have a special smooth retention bead that retains the hose under pressure while ensuring that the hose liner is undamaged. These black-anodized aluminum fittings are good looking and corrosion-resistant for a long life, even with today's harsh fuels. The Vapor Guard systems assemble easily with tee adapter fittings; single and dual ear crimp-style and screw-style stainless steel hose clamps are also available.

4.91 out of 5 stars ( 11 )

$15.23

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$17.20

Earl's Performance Conical Seals

Earl's Performance conical seals are designed for immediate and permanent field repairs for damaged 37 degree flare hose ends. They are made of aluminum and install by simply pushing the conical seat on and assembling the hose end in a normal manner.

4.74 out of 5 stars ( 42 )

$24.72

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$122.95

Earl's Performance Carburetor Inlet Fittings

Earl's Performance carburetor inlet fittings are made from aluminum with an anodized finish--or stainless steel with a natural finish. They're available in a variety of sizes and attachment styles. Order the model best suited for fitment on your carb application.

4.41 out of 5 stars ( 69 )

$17.20

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$25.85

Earl's Performance Hardline Adapters

Earl's hardline adapter fittings are designed for use with copper, brass, aluminum, and welded steel hydraulic tubing. Their stainless steel construction helps to prevent corrosion and provide a solid, consistent seal. The fittings are available in a variety of sizes, in both straight and 90 degree angle, to accommodate nearly any hardline plumping situation and many custom applications.

4.52 out of 5 stars ( 27 )

$11.45

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$15.76

On Sale

Earl's Performance Tee Adapter Fittings

If you have plumbing in your race car, chances are you'll need to use some of these tee adapters to make it function and route properly. Fortunately, we have them in a variety of styles and sizes for most any situation.

4.43 out of 5 stars ( 23 )

$58.85

$14.28

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$68.25

Earl's Performance Quick-Disconnect Fittings

Allow for the instant disconnection and reconnection of fuel, lubricant, and hydraulic lines with virtually no spillage with these Earl's Performance quick-disconnect fittings. Flow restriction is minimal and Buna seals are compatible with most fuels and lubricants.

4.86 out of 5 stars ( 21 )

$25.85

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$68.25

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