Holley Parts and Accessories

Fuel Pump Block-Off Plates, Steel, Chrome Plated, with Gaskets, Chevy, Small Block, V8 Engines, Each

Part Number: HLY-12-814

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Today

Air Bleeds, Replaceable, Screw-in, Brass, 0.035 in. Diameter, 10 in.-32 Thread, for 4150 HP, 4500 Models, 10-piece, Set

Part Number: HLY-126-35-10

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Air Bleeds, Replaceable, Screw-in, Brass, 0.034 in. Diameter, 10 in.-32 Thread, for 4150 HP, 4500 Models, 10-piece, Set

Part Number: HLY-126-34-10

Not Yet Reviewed

Estimated Ship Date: Today

Air Bleeds, Replaceable, Screw-in, Brass, 0.053 in. Diameter, 10 in.-32 Thread, for 4150 HP, 4500 Models, 10-piece, Set

Part Number: HLY-126-53-10

Not Yet Reviewed

Estimated Ship Date: Today

Fitting, Adapter, AN to Straight Cut, Straight, Aluminum, Black Anodized, -6 AN, -6 AN, Each

Part Number: HLY-26-181

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Air Bleeds, Replaceable, Screw-in, Brass, 0.076 in. Diameter, 10 in.-32 Thread, for 4150 HP, 4500 Models, 10-piece, Set

Part Number: HLY-126-76-10

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Accelerator Pumps, Diaphragm, Rubber, Gasoline, 50cc, Barry Grant, Demon, Holley, Each

Part Number: HLY-135-14

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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: Today

Air Bleeds, Replaceable, Screw-in, Brass, 0.032 in. Diameter, 10 in.-32 Thread, for 4150 HP, 4500 Models, 10-piece, Set

Part Number: HLY-126-32-10

Not Yet Reviewed

Estimated Ship Date: Today

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: Today

Fuel Filters, Inline, Chrome, Steel, 5/16 in. Hose Barb Inlet and Outlet, Each

Part Number: HLY-162-524

3.5 out of 5 stars ( 6 )

Estimated Ship Date: Today

Air Bleeds, Replaceable, Screw-in, Brass, 0.063 in. Diameter, 10 in.-32 Thread, for 4150 HP, 4500 Models, 10-piece, Set

Part Number: HLY-126-63-10

Not Yet Reviewed

Estimated Ship Date: Today

Air Bleeds, Replaceable, Screw-in, Brass, 0.051 in. Diameter, 10 in.-32 Thread, for 4150 HP, 4500 Models, 10-piece, Set

Part Number: HLY-126-51-10

Not Yet Reviewed

Estimated Ship Date: Today

Throttle Plates, Carburetor, 4-Barrel, 1-3/4 in. Diameter, Steel, No Hole, Screw Included, Kit

Part Number: HLY-26-97

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Today

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

Part Number: HLY-26-139

5.0 out of 5 stars ( 4 )

Seal Puller and Installers, Crankshaft Seal, Installation Tool, Aluminum, Natural, Mopar, 5.7, 6.1, 6.2, 6.4, Gen III Hemi, Each

Part Number: HLY-97-367

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Ignition Coils, Holley EFI, Coyote, Smart Coils, Black, 50,000V, Rectangular, Connector, Pins Included, for HP, Dominator ECU, Ford, Each

Part Number: HLY-556-160

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Carburetor Needle and Seats, Viton® Inlet Needle, Adjustable, Steel, 0.097 in. Seat, Side Hung Float Style, Gaskets, for Holley R4224 Carb Only, Each

Part Number: HLY-6-508

Not Yet Reviewed

Estimated Ship Date: Today

Air Bleeds, Replaceable, Screw-in, Brass, 0.031 in. Diameter, 10 in.-32 Thread, for 4150 HP, 4500 Models, 10-piece, Set

Part Number: HLY-126-31-10

Not Yet Reviewed

Estimated Ship Date: 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 )

Carburetor Gaskets, Metering Block, Rubber, Blue, Non-Stick, Model 2300, 4150, 4160, 4165, 4175, No Accelerator Pump Transfer Tube, Pair

Part Number: HLY-108-91-2

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Wiring Harnesses, RetroBright, Ground Switched Harness, Easy Installation, Toyota, Land Cruiser, Each

Part Number: HLY-H840

Not Yet Reviewed

Estimated Ship Date: Today

Fitting, Carburetor Inlet, -6 AN Male to 9/16-24 in. Male Thread, Aluminum, Blue, Each

Part Number: HLY-26-75

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

Rebuild Kits, Electric Fuel Pump, Check Valve Service, Inlet Screen, Spring, Lower Gasket, Check Valve, for Fuel Pump 12-150, Kit

Part Number: HLY-12-820

Not Yet Reviewed

Estimated Ship Date: Today

Screws, Accelerator Pump Discharge Nozzle Screw, 0.040 in. and up Nozzle, Hollow Screw Type, Each

Part Number: HLY-121-7

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Today