Holley Parts and Accessories

Air Bleeds, Replaceable, Screw-in, Brass, 0.061 in. Diameter, 10 in.-32 Thread, for 4150 HP, 4500 Models, 10-piece, Set

Part Number: HLY-126-61-10

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Switches, Windshield Wiper, Rotary Style, 6 amp, 1 3/8 in. Diameter, Steel Case, Plastic, Black Knob, Two Speed, Push-to-Wash, fit Bezel 553-342, Each

Part Number: HLY-553-343

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Air Bleeds, Replaceable, Screw-in, Brass, 0.028 in. Diameter, 10 in.-32 Thread, for 4150 HP, 4500 Models, 10-piece, Set

Part Number: HLY-126-28-10

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Fuel Injection System Wiring Harnesses, Holley EFI, CAN Adapter Harness, Male to Female Adapter, 12 in. Long, for Racepak or CAN Device, Each

Part Number: HLY-558-451

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Gauge Mounting Bracket, Pedestal Mount, 3 3/8 in. Diameter, Steel, Black, Each

Part Number: HLY-26-620

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

Accelerator Pump Cover, Cast Steel, Zinc Plated, 50cc, for Holley, 4150, 4160, 4500, Each

Part Number: HLY-26-140

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

Accelerator Pump Discharge Nozzles, Squirters, .021 in., Straight, Pair

Part Number: HLY-121-121

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Fitting, Carburetor Inlet, -8 AN Hose End to 7/8-20 in. Male Thread, Steel, Each

Part Number: HLY-26-74

3.2 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

Carburetor Gaskets, Base Plate, Mounting, 4-Barrel, Square Bore, 4-Hole, 0.260 in. Thick, Composite, Model 4150, 4160, Hardware Included, Kit

Part Number: HLY-108-51

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Carburetor Needle and Seats, Viton® Inlet Needle, Non-Adjustable, Steel, 0.101 in. Seat, Side Hung Float Style, Gasket Included, Each

Part Number: HLY-6-511

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Carburetor Components, Sealing Plates, Secondaries, with Power Valve Cavity, Model 4160, Kit

Part Number: HLY-108-122

4.33 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

Accelerator Pump Cover, Cast Steel, Polished, 30cc, Screws Included, for Holley 4150, 4160, 4500, Kit

Part Number: HLY-26-139S

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

Rebuild Kits, Fuel Pressure Regulator, Service Kit, Diaphragm, Spring, Instructions, for Demand Regulator 12-840, Kit

Part Number: HLY-12-822

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

Air Bleeds, Replaceable, Screw-in, Brass, 0.078 in. Diameter, 10 in.-32 Thread, for 4150 HP, 4500 Models, 10-piece, Set

Part Number: HLY-126-78-10

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Throttle Body Components, Throttle Body Screw, Replacements, Steel, Gold Finish, 10-piece, Set

Part Number: HLY-1005-567

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Accelerator Pump Discharge Nozzles, Squirters, .025 in., Tube, Pair

Part Number: HLY-121-25

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

Fitting, Reducer, Inverted Flare to Inverted Flare, Straight, Brass, Natural, 5/8-18 in. Inverted Flare, 1/2-20 in. Inverted Flare, Each

Part Number: HLY-26-70

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

Rebuild Kits, Fuel Pump, Red Electric, Model 12-801-1, Lower Gasket, Check Valve, Spring, Screen Filter, Kit

Part Number: HLY-12-805

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

Pulley Nose Cones, Holley, Alternator Pulley Cover, Aluminum, Black Finish, fits Holley Premium Alternators Only, 97-302, 97-303, 97-304, Each

Part Number: HLY-97-187

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Carburetor Power Valves, Replacement, Single Stage, High Flow, 5.5 in. Hg, Gaskets, Each

Part Number: HLY-125-155

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

Plugs, Metering Block, Main Well, 0.258 in. Diameter, Brass, Natural Finish, 10-piece, Set

Part Number: HLY-26-111-10

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Vacuum Passage Gaskets, Cork, Choke and Vacuum Secondary Housing, Package of 20

Part Number: HLY-108-67-20

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

Fitting, Fuel Bowl Inlet Plug, Male Threads, Aluminum, Red, 7/8-20 Thread, Each

Part Number: HLY-26-76

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Air Bleeds, Replaceable, Screw-in, Brass, 0.040 in. Diameter, 10 in.-32 Thread, for 4150 HP, 4500 Models, 10-piece, Set

Part Number: HLY-126-40-10

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Throttle Lever Studs, 1.25 in. Length, Throttle/Cruise Control, Universal, Each

Part Number: HLY-20-64

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow