$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

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AN & NPT Fittings & Adapters, Fuel Line Fittings, Hose Couplers & more

AN & NPT Fittings & Adapters, Fuel Line Fittings, Hose Couplers & more

No matter what you’re plumbing—brakes, fuel, vacuum, oil, nitrous—you can plumb it with help from Summit Racing Equipment! You can find all of the...

No matter what you’re plumbing—brakes, fuel, vacuum, oil, nitrous—you can plumb it with help from Summit Racing Equipment! You can find all of the automotive fittings you need right here, including a wide range of AN, NPT, fuel line and hose fittings, along with adapters and reducers to go from one to another, and so much more. Our huge selection means you can assemble the complex custom plumbing system your competition vehicle needs, restore your classic car with period-accurate components, or just keep your daily driver running right. Take a look at our options for AN Hoses, to go along with your fittings.

No matter what you’re plumbing—brakes, fuel, vacuum, oil, nitrous—you can plumb it with help from Summit Racing Equipment! You can find all of the automotive fittings you need right here, including a wide range of AN, NPT, fuel line and hose fittings, along with adapters and reducers to go from one to another, and so much more. Our huge selection means you can assemble the complex custom plumbing system your competition vehicle needs, restore your classic car with period-accurate components, or just keep your daily driver running right. Take a look at our options for AN Hoses, to go along with your fittings.

Top Brands

Starting now, you can shop from all the best brands of automotive fittings on the market, including Russell, Earl’s, Aeroquip, and Fragola, plus our dependable and budget-friendly Summit Racing brand.

Individual Parts

Results 1 - 9 of 9

99-04 4.6/5.4L 2V Ford Billet Fuel Rail Adapter

Part Number: NXO-00-01804

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

03-06, 09+ Nissan 350/370Z Billet Fuel Rail Adapter

Part Number: NXO-00-01814

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

Fuel Line Adapter Fittings, Straight, 3/8 in. Female Quick-connect, 3/8 in. Male Quick-connect, Aluminum, Black Anodized, Ford, Each

Part Number: NXO-00-01812

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Fitting, Fuel Rail, GM EFI Fuel Rail Distribution Block, Two 1/8 in. NPT x -4 AN fittings Included, Each

Part Number: NXO-00-01803

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

Nitrous Outlet 6AN x 3/8" Spring Lock Fuel Adapter - Male/Male

Part Number: NXO-60-60022

Not Yet Reviewed

Estimated Ship Date: Oct 14, 2025 if ordered today

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Estimated Ship Date: Oct 14, 2025 if ordered today

5/16" EFI Fuel Line Adapter

Part Number: NXO-0001811516

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

05-10 4.6/5.4L 3V Ford Billet Fuel Rail Adapter

Part Number: NXO-00-01805

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

3/8" Inline Fuel Adapter Kit - Modular

Part Number: NXO-00-01816

Not Yet Reviewed

Estimated Ship Date: Oct 14, 2025 if ordered today

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Estimated Ship Date: Oct 14, 2025 if ordered today

Fitting, Fuel Rail, LT-1 EFI Fuel Rail Distribution Block, Two 1/8 in. NPT x -4 AN fittings Included, Each

Part Number: NXO-00-01803-LT1

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

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