Air/Fuel Delivery Parts for Carbureted & Fuel Injected Engines

Nitrous Bottle Nut, Aluminum, Black Anodized, 1 in. Female to -8 AN Male, Each

Part Number: NOS-16233NOS

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Nitrous Bottle Nut, Steel, Nickel Plated, 1 in. Female to -4 AN Male, Each

Part Number: NOS-16220NOS

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

Nitrous Bottle Nipple, D-4 Nipple and Nut For CO2 Valve, with Gasket, Each

Part Number: NEX-11713

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Nitrous Bottle Nut, Aluminum, Black Anodized, 1 in. Female to -4 AN Male, Each

Part Number: NOS-16221NOS

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Nitrous Standard Medical Bottle Nut, Steel, Nickel Plated, 1 in. Female to -4 AN Male, Each

Part Number: NOS-16100NOS

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Nitrous Bottle Nut, Aluminum, Black Anodized, 1 in. Female, Each

Part Number: NEX-11703

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Fuel Pressure Regulators, HP Billet, Adjustable, 4-65 psi, Return Style, Inline, 3/8 in.-NPT, Female Thread, Aluminum, Black, Clear Anodized, Each

Part Number: HLY-12-879

3.95 out of 5 stars ( 20 )

Estimated Ship Date: Tomorrow

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Nitrous Bottle Nut, Steel, Nickel Plated, 1 in. Female to -6 AN Male, Each

Part Number: NOS-16235NOS

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 17, 2025 if ordered today

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Nitrous Bottle Nut, Aluminum, Blue Anodized, 1 in. Female to -8 AN Male, Each

Part Number: NOS-16232NOS

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Estimated Ship Date: Dec 16, 2025 if ordered today

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Fuel Filter, Pressure Regulator, Inline, 58 psi, 5 Micron, -6 AN Threads, Fuel Injection, Universal, Each

Part Number: FIF-55012

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Fuel Filter, Inline Mount, Aluminum, Black Anodized, 10 Microns, -10 AN ORB Inlet/Outlet, Each

Part Number: RDM-20-0220-03

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Fuel Pressure Regulators, HP Billet, Adjustable, 4-65 psi, Return Style, -6 AN Female O-ring, Manifold Fitting, Pressure Gauge, Bracket, Hardware, Kit

Part Number: HLY-12-880KIT

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Fuel Pressure Regulators, HP Billet, 4.5-9 psi, No Return, -10 AN Inlet, -8 AN Outlets, Aluminum, Black/Clear Anodized, Each

Part Number: HLY-12-843

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Fuel Pressure Regulators, HP Billet, 4.5 to 9 psi, Inline, Return Style, 3/8 in. NPT, Inlet and Outlet, Idle Bleed, Black Finish, Bracket, Each

Part Number: HLY-12-842

4.43 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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Fuel Pressure Regulators, HP Billet, 4.5 to 9 psi, Inline, Return Style, -8 AN Inlet and Outlet, -6 AN Return, Black Finish, Bracket, Each

Part Number: HLY-12-845

4.44 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

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Fuel Pressure Regulators, Bypass Regulator, Inline, 15-60 psi, -8 AN Inlet and Outlet, -6 AN Return, Black, Fittings, Gauge, Bracket, Kit

Part Number: HLY-12-846KIT

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Radium Engineering Fuel Pressure Regulator Damper (FPRD-RA) - Black

Part Number: RDM-20-1528-00

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Fuel Hose and Filter Kit, Inline, 3/8 in. Hose Barb Inlet/Outlet, Fittings, 24 in. Hose, 4 Clamps, Kit

Part Number: EDL-8135

4.14 out of 5 stars ( 22 )

Estimated Ship Date: Tomorrow

Fuel Pressure Regulators, Bypass Regulator, Inline, 4.5-9 psi, No Return, 3/8 in. Inlet and Outlet, Black Finish, Fittings, Gauge, Bracket, Kit

Part Number: HLY-12-840KIT

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Fuel Filter, Inline Mount, Aluminum, Black Anodized, 6 Microns, -10 AN ORB Inlet/Outlet, Each

Part Number: RDM-20-0220-05

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Estimated Ship Date: Tomorrow

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Fuel System, Gasoline, Pump, Regulator, Filter, Fuel Line, Kit

Part Number: AEI-17242

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Estimated Ship Date: Tomorrow if ordered today

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Fuel Pressure Regulators, Bypass Regulator, Inline, 4.5-9 psi, Return Style, 3/8 in. NPT, Inlet and Outlet, Black, Fittings, Gauge, Bracket, Kit

Part Number: HLY-12-841KIT

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Fuel Filter/Water Separator, Paper, 2 Microns, 1/2 in. NPT Inlet/Outlet, Kit

Part Number: PRM-81794

4.13 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

Fuel System Kit, Pump, Regulator, Filter, Lines, Silver, Black Fittings, Holley/Demon, Kit

Part Number: RUS-641523

3.0 out of 5 stars ( 1 )

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Fuel Pressure Regulators, Bypass Regulator, 15-60 psi, -8 AN Return, -10 AN Inlet and Outlet, Black Finish, Fittings, Gauge, Bracket, Kit

Part Number: HLY-12-848KIT

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Estimated Ship Date: Tomorrow

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