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: 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
Gaskets, Intake Manifold, O-ring Seals, Viton®, Stock Ports, 8-piece, Chevy, LS, 5.7L, 6.0L, Set
Part Number: HLY-508-23
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System Components, Holley EFI, 1/8 in.-NPT, Sensor Block, Four Independent Ports, Aluminum, Black Anodized, Each
Part Number: HLY-534-35
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Pump Components, HydroMat, Fuel Pump Adapter, 255 LPH to -6 AN, Orb Port, O-ring Seal included, Each
Part Number: HLY-16-137
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: 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
Fuel Pump Components, HydroMat, Fuel Pump Adapter, 450 LPH to -6 AN, Orb Port, O-ring Seal included, Each
Part Number: HLY-16-136
Estimated Ship Date: Today
Estimated Ship Date: Today
Throttle Position Sensors, Replacement, Pro-Jection, Multi-Port, 1-barrel, 2-barrel, Each
Part Number: HLY-543-3
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Manifold Gaskets, SysteMax, Intake, Upper to Lower, Kormetal Material, Ford, 5.0L, Each
Part Number: HLY-108-80
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System Wiring Harnesses, Holley EFI, Crank/Cam Ignition Harness, Plug-and-Play, for Ferrous Hall Effect to HP/Dominator Systems, Each
Part Number: HLY-558-431
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
Vacuum Manifolds, Billet Aluminum, Black, Two -6 AN Female O-Ring Inlets, Twelve 1/8 in. NPT Outlets, Female Threads, Each
Part Number: HLY-534-52
Not Yet Reviewed
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
Brackets, Fuel Pressure Regulator, Billet Aluminum, Black Anodized, for Model 4150, 4160, Each
Part Number: HLY-20-120
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Connector Kits, Replacement, Connectors, Male, Pins, Grommets, Stealth Ram, Power Pack, for MAP, IAC, TPS, Coolant, Air Intake, Sensors, Kit
Part Number: HLY-534-213
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Lines, Chrome, Steel, Holley, 4150, 5/8 in. x 18 inverted flare Inlet and outlets, Kit
Part Number: HLY-34-150
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: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Fuel Lines, Chrome, Steel, Holley, 4160, 5/8 in. x 18 inverted flare Inlet and outlets, Each
Part Number: HLY-34-160
Estimated Ship Date: Today
Estimated Ship Date: Today
Gaskets, Throttle Body, Base Plate and Gasket, 4-barrel, 4150 Flange, for Holley Commander, Model 112-577, Each
Part Number: HLY-508-17
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Gaskets, Throttle Body, Base Plate and Gasket, 4-barrel, 4150 Flange, for Holley Commander, Model 112-578, Each
Part Number: HLY-508-18
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Gauge, Fuel Pressure, 0-15 psi, 1 1/2 in. Diameter, Analog, Full Sweep, Liquid-filled, for Mechanical Sending Unit, White Face, Each
Part Number: HLY-26-504
Estimated Ship Date: Today
Estimated Ship Date: Today
Wiring Harnesses, Holley EFI, HEI Distributor, Adapter Harness, Small Cap, Computer Controlled, for Avenger, HP, Dominator EFI Systems, Each
Part Number: HLY-558-304
Estimated Ship Date: Today
Estimated Ship Date: Today
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