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.

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.

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Results 1 - 23 of 23

Holley Manifold Plug and Fitting Kits 97-177

Fitting and Adapters, Holley, Replacement, Plugs and Fittings, NPT to BSPT, Straight, Aluminum, Chrome, 3/4 in. NPT, for LT/LS Cooling Manifold, Kit

Part Number: HLY-97-177

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Holley Manifold Plug and Fitting Kits 97-319

Fitting and Adapters, Holley, Replacement, Plugs and Fittings, NPT to BSPT, Straight, Aluminum, Chrome, for 20-242 and 20-242BK Manifolds, Kit

Part Number: HLY-97-319

Not Yet Reviewed

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Holley AN to Straight Cut O-Ring Fittings 26-181

Fitting, Adapter, AN to Straight Cut, Straight, Aluminum, Black Anodized, -6 AN, -6 AN, Each

Part Number: HLY-26-181

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Holley Fuel Rail Adapter Fittings 534-211

Fitting, Straight, Adapter, -6 AN Male to GM Factory Fuel Line Quick-Connect, 3/4 in. O-Ring Male Port Plug, Aluminum, Black Anodized, Each

Part Number: HLY-534-211

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Holley Fuel Fittings 34-22

Fittings, Adapter, Inverted Flare to Hose Barb, 90 Degree, Steel, Chrome, 5/8-18 in. Inverted Flare, 3/8 in., Each

Part Number: HLY-34-22

4.33 out of 5 stars ( 12 )

Estimated Ship Date: Today

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Holley AN to Straight Cut O-Ring Fittings 26-157

Fitting, Adapter, AN to Straight Cut, Straight, Aluminum, Black Anodized, -6 AN, -8 AN, Pair

Part Number: HLY-26-157

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Holley AN to Metric Adapter Fittings 26-160

Fitting, Adapter, AN to Metric Threads, Straight, Aluminum, Blue Anodized, -6 AN, M10 x 1.0, Pair

Part Number: HLY-26-160

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 6, 2025 if ordered today

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Estimated Ship Date: Oct 6, 2025 if ordered today

Holley AN to Straight Cut O-Ring Fittings 26-186

Fitting, Adapter, AN to Straight Cut, Straight, Aluminum, Black Anodized, -8 AN, 7/8 in.-14 O-Ring, Each

Part Number: HLY-26-186

Not Yet Reviewed

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Holley Fuel Rail Adapter Fittings 534-321

Fittings, Fuel Rail Fitting, Aluminum, Black, 180 Degree, -8 AN Male, -8 AN Female, Each

Part Number: HLY-534-321

Not Yet Reviewed

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Holley Pro-Jection Service Parts 9906-143

Fittings and Adapters, Holley EFI, Replacement, Service Part, Adapter, Pro-Jection, -6 AN to 3/8 in. Hose Barb, Brass, Each

Part Number: HLY-9906-143

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 6, 2025 if ordered today

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Estimated Ship Date: Oct 6, 2025 if ordered today

Holley Fuel Pressure Gauge Fittings 26-69

Fuel Pressure Gauge Fitting, Brass, 90 Degree Elbow, 1/8 in. NPT Male, 1/8 in. NPT Female, Each

Part Number: HLY-26-69

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Holley Manifold Plug and Fitting Kits 97-365

Heater Hose Adapters, Plug Fittings, Steel, Zinc, Set of 6

Part Number: HLY-97-365

Not Yet Reviewed

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Holley AN to Straight Cut O-Ring Fittings 26-183

Fitting, Adapter, AN to Straight Cut, Straight, Aluminum, Black Anodized, -6 AN, -8 AN, Each

Part Number: HLY-26-183

Not Yet Reviewed

Estimated Ship Date: Today

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Holley Terminator X and X MAX MAP Sensor Adapter Sets 543-121

MAP Sensor Adapters, Replacement, Quick Turn Adapters, 1/8 in., 3/16 in. 1/4 in., for Terminator X, Each

Part Number: HLY-543-121

Not Yet Reviewed

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Holley 180 Degree Timed Spark Fittings 26-59

Fittings and Adapters, Spark Fitting, 180 Degree Times, NPT to Hose Barb, Straight, Brass, Natural, 1/8 in. NPT, 3/16 in. Hose Barb, Each

Part Number: HLY-26-59

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Holley Reducers 26-70

Fitting, Reducer, Inverted Flare to Inverted Flare, Straight, Brass, Natural, 5/8-18 in. Inverted Flare, 1/2-20 in. Inverted Flare, Each

Part Number: HLY-26-70

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Holley AN to Straight Cut O-Ring Fittings 26-184

Fitting, Adapter, AN to Straight Cut, Straight, Aluminum, Black Anodized, -8 AN, 3/4 in.-16 O-Ring, Each

Part Number: HLY-26-184

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Holley Manifold Plug and Fitting Kits 97-301

Fitting and Adapters, Holley, Replacement, Plugs and Fittings, NPT to BSPT, Straight, Aluminum, Chrome, for 20-240 and 20-240BK Manifolds, Kit

Part Number: HLY-97-301

Not Yet Reviewed

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Racing Automotive Group Fittings and Adapters A7882

Holley Carburetor Long -8 Fitting

Part Number: RAU-A7882

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

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Estimated Ship Date: Oct 6, 2025 if ordered today

Racing Automotive Group Fittings and Adapters F600-650

Fuel Log Fitting 7/8"-20 Holley to -6 AN

Part Number: RAU-F600-650

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

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Estimated Ship Date: Oct 6, 2025 if ordered today

Improved Racing Products Fittings and Adapters EGM-111

Oil sensor adapter, w/ 2 x 1/8" NPT ports, C7 Corvette pan, Holley LT oil pan, L8T pan

Part Number: IRP-EGM-111

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

Edelbrock Low-Profile Vacuum Fitting Reducers 8096

Edelbrock Low-Profile Vacuum Fitting Reducers 8096

Fitting, Reducer, NPT to NPT, 90 Degree, Brass, Natural, 3/8 in. NPT, 1/8 in. NPT, Each

Part Number: EDL-8096

4.15 out of 5 stars ( 27 )

Estimated Ship Date: Today

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Earl's Performance LT Gen-V Oil Pressure Gauge Adapter Fittings LT0001ERL

Fittings and Adapters, LT Gen-V Oil Pressure Gauge Adapter Fitting, Straight, 1/8 in. NPT Female NPT, M12 x 1.75 Male Metric, Stainless, Natural, Each

Part Number: EAR-LT0001ERL

Not Yet Reviewed

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