Availability
Vacuum Secondary Diaphragms, Rubber, Holley Carburetors, Each
Part Number: HLY-135-6
Estimated Ship Date: Today
Estimated Ship Date: Today
Combo, Holley, Quick Change Vacuum Secondary Housing, Spring Assortment, Single 4-Barrel Carburetor, Kit
Part Number: CMB-03-0100
Estimated Ship Date: Today
Estimated Ship Date: Today
Dual Quick Change Covers, Vacuum Diaphragm, Plastic, Black, Holley, with Balance Tube for Dual Carbs, Pair
Part Number: HLY-20-73
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
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: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: 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: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Brackets, Fuel Pressure Regulator, Billet Aluminum, Black Anodized, for Model 4150, 4160, Each
Part Number: HLY-20-120
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Fuel Pressure Regulators, Die-Cast By-Pass, Adjustable, 4.5-9 psi, Return Style, In-line, 3/8 in.-NPT Ports, 1/8 in.-NPT Gauge Ports, Aluminum, Each
Part Number: HLY-12-881
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Pressure Regulators, Carburetor Bypass Style, Return, 4.5-9 psi, Black, One 3/8 in. NPT Female Inlet, One 3/8 in. NPT Female Outlet, Each
Part Number: HLY-12-887
Estimated Ship Date: Today
Estimated Ship Date: Today
Choke Kits, Electronic Choke, Aluminum, Holley 2300, 4160 Models, Kit
Part Number: HLY-45-223SA
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.