Availability
Fuel Pressure Regulator, Die-Cast EFI Bypass/Return, Adjustable, 15-60 psi, Inline, 3/8 in.-NPT Main Ports, 1/8 in.-NPT Ports, Aluminum, Black, Each
Part Number: HLY-12-886
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Fuel Pressure Regulator, Die-Cast EFI Bypass/Return, Adjustable, 15-60 psi, Inline, 3/8 in.-NPT Main Ports, 1/8 in.-NPT Ports, Aluminum, Chrome, Each
Part Number: HLY-12-882
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Pressure Regulator Mounts, Billet Regulator Bracket, Fuel Pressure, Aluminum, Black Anodized, Universal Design, for Model 4150, 4160 Series, Each
Part Number: HLY-20-275
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Fuel Pressure Regulators, High Pressure, 0-43 psi, No-Return, Boost, Vacuum Port, Stock Inlet and Outlet, Gold Color, Buick, GN, GNX, 3.8L, Each
Part Number: HLY-512-515
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Rebuild Kits, Fuel Pressure Regulator, Service Kit, Diaphragm, Spring, Instructions, for Regulator 12-846, Kit
Part Number: HLY-12-826
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Rebuild Kits, Fuel Pressure Regulator, Service Kit, Diaphragm, Spring, Instructions, for Regulator 12-848, Kit
Part Number: HLY-12-827
Not Yet Reviewed
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Brackets, Fuel Pressure Regulator, Billet Aluminum, Black Anodized, for Model 4150, 4160, Each
Part Number: HLY-20-120
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Pressure Regulator Mounts, Billet Regulator Bracket, Fuel Pressure, Aluminum, Clearcoat Anodized, Universal Design, for Model 4150, 4160 Series, Each
Part Number: HLY-20-259
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Rebuild Kits, Fuel Pressure Regulator, Diaphragm Only, for Pressure Regulator 12-803BP, Kit
Part Number: HLY-12-818
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Regulator Repair Parts, Diaphragm, Holley Pro-Jection, Gasoline, Kit
Part Number: HLY-512-1
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Fuel Pressure Regulators, GM EFI, Inline, Steel Body, -6 AN Inlet/Dual Outlet, Male Threads, 5 micron, Paper Filter, Each
Part Number: HLY-162-591
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Fuel Filter Parts, EFI Regulator, Replacement, Retrofit Kit, In-Tank, O-ring included, Kit
Part Number: HLY-12-160
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Fuel Pumps, Mighty Mite, Electric, 7 psi, 32 gph Free Flow Rate, 1/8 in. NPT Female Threads Inlet/Outlet, Each
Part Number: HLY-12-427
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Fuel Pumps, Mighty Mite, Electric, 4 psi, 25 gph Free Flow Rate, 1/8 in. NPT Female Threads Inlet/Outlet, Each
Part Number: HLY-12-426
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Fuel Pumps, Electric, Inline External, 10 psi, 34 gph Free Flow Rate, 1/8 in. NPT Female Threads Inlet/Outlet, Each
Part Number: HLY-12-428
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Fuel Pumps, Mighty Mite, Electric, 1.5-2.5 psi, 25 gph Free Flow Rate, 1/8 in. NPT Female Threads Inlet/Outlet, Each
Part Number: HLY-12-425
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Fuel System Dampers, Billet Aluminum, Black Anodized, 40-70 psi, -6 AN Male Threads Inlet/Outlet, Standard Range, Each
Part Number: HLY-12-1002
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
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