Holley Bypass Fuel Pressure Regulator Kits

Fuel Pressure Regulators, Bypass Regulator Kit, Return, 15-60 psi, EFI, Includes Fittings, Gauge, Mounting Bracket, Kit

Part Number: HLY-12-886KIT

3.19 out of 5 stars ( 16 )

Estimated Ship Date: Monday 10/20/2025

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Fuel Pressure Regulators, Die-Cast By-Pass, Adjustable, 4.5-9 psi, Return Style, Inline, 3/8 in.-NPT, 1/8 in.-NPT Ports, Fittings, Gauge, Bracket, Kit

Part Number: HLY-12-881KIT

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/20/2025

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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: Monday 10/20/2025

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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

Not Yet Reviewed

Estimated Ship Date: Monday 10/20/2025

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Fuel Pressure Regulators, Bypass Regulator Kit, Return, 4.5-9 psi, Carbureted, Includes Fittings, Gauge, Mounting Bracket, Kit

Part Number: HLY-12-887KIT

3.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 10/20/2025

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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

Not Yet Reviewed

Estimated Ship Date: Monday 10/20/2025

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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: Monday 10/20/2025

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