Holley Parts and Accessories

Rebuid Kits, Carburetor Renew, 4500 Models, Gaskets, O-rings, Pump Diaphragm, Needle, Seats, Sizes 0.120, 0.130, Power Valve, Instructions, Kit

Part Number: HLY-37-1534

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Tuesday 9/2/2025

Wiring Harnesses. Holley EFI, Replacement, Wideband O2 Adapter Harness, Terminator EFI Systems, Pre-Terminated, Plug-and-Play, Each

Part Number: HLY-558-463

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 9/2/2025

Timing Covers, 1-Piece, Aluminum, Holley Logo, Natural, Chevrolet, Small Block, Without Crank Sensor, Each

Part Number: HLY-21-150

4.2 out of 5 stars ( 15 )

Estimated Ship Date: Tuesday 9/2/2025

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

4.58 out of 5 stars ( 36 )

Estimated Ship Date: Tuesday 9/2/2025

Convoluted Tubing, Wire Looms and Wire Sleeves, Holley EFI, Split Wire Loom, Black Nylon, Slip-on Insulation, 0.250 in. I.D., 50 ft. Long, Each

Part Number: HLY-573-103

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Tuesday 9/2/2025

Ignition Coils, Sniper EFI, Hyperspark, Remote Mount, Epoxy, Female/Socket Attachment, Black, 45,000 V, Round, 2.125 in. OD, 6.00 in. Tall, Each

Part Number: SNE-556-153

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Tuesday 9/2/2025

Throttle Body Adapters, Holley, Angle Adapter, GM LS, LT, LT4 Intakes, High-Mount, 4-bolt Intake, 95mm Bore, Aluminum, Black, Chevy, 4.8-7.0L, Each

Part Number: HLY-717-15

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Tuesday 9/2/2025

Wire Harnesses, Sniper EFI, Input/Output Harness, Throttle Body Injection, Speed Density Metered, 10-pin Male Connector, Kit

Part Number: SNE-558-491

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

Carburetor Heat Shields, Aluminum, .250 in. Thick, Square Bore, Kit

Part Number: HLY-108-70

4.49 out of 5 stars ( 57 )

Estimated Ship Date: Tuesday 9/2/2025

Convoluted Tubing, Wire Looms and Wire Sleeves, Holley EFI, Split Wire Loom, Black Nylon, Slip-on Insulation, 0.375 in. I.D., 50 ft. Long, Each

Part Number: HLY-573-105

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

Fuel Lines, Chrome, Steel, Holley, 4160, 5/8 in. x 18 inverted flare Inlet and outlets, Each

Part Number: HLY-34-160

3.84 out of 5 stars ( 51 )

Estimated Ship Date: Tuesday 9/2/2025

Carburetor Spacers, Open Style, 1.00 in Thick, Aluminum, Natural Finish, Hardware, Gaskets, for 4150 Carburetors, Each

Part Number: HLY-17-27

3.5 out of 5 stars ( 6 )

Estimated Ship Date: Tuesday 9/2/2025

Rebuid Kits, Fast Kit, Performance Tuning, Rebuild, Model 4150 HP, Gaskets, O-rings, Pump Diaphragm, Needle, Power Valve, Instructions, Kit

Part Number: HLY-37-1546

4.87 out of 5 stars ( 15 )

Estimated Ship Date: Tuesday 9/2/2025

Throttle Position Sensors, Replacement, Throttle Body Injection, for 4-barrel Dominator, Non-Contact, Magnetic, Each

Part Number: HLY-543-111

4.5 out of 5 stars ( 8 )

Estimated Ship Date: Tuesday 9/2/2025

Coolant Temperature Sensors, Brass, Natural, Pro-Jection, Digital, 3/8 in. NPT, Each

Part Number: HLY-534-10

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Tuesday 9/2/2025

Rebuid Kits, Fast Kit, Performance Tuning, Rebuild, Model 4500, Gaskets, O-rings, Pump Diaphragm, Needle, Power Valve, Instructions, Kit

Part Number: HLY-37-1547

4.27 out of 5 stars ( 11 )

Estimated Ship Date: Tuesday 9/2/2025

Carburetor Jets, Gasoline, Brass, 1/4 in.-32, Sizes 60-69, Two of Each Size, Kit

Part Number: HLY-122-230

5.0 out of 5 stars ( 12 )

Estimated Ship Date: Tuesday 9/2/2025

Accessory Drive Bracket Spacer Kits, Aluminum, Natural Finish, Short Alignment, Chevy, Small Block LS, Each

Part Number: HLY-21-1

4.25 out of 5 stars ( 8 )

Estimated Ship Date: Tuesday 9/2/2025

Air Cleaners, 10 in. Diameter, Round, Steel/Black, Holley Logo, 2 in. Filter Height, Each

Part Number: HLY-120-145B

4.6 out of 5 stars ( 15 )

Estimated Ship Date: Tuesday 9/2/2025

Throttle Linkages, Secondary, Steel, Natural, Model 4500, 4500 HP, 4150, 4150 HP, Kit

Part Number: HLY-20-122

4.48 out of 5 stars ( 29 )

Estimated Ship Date: Tuesday 9/2/2025

Accelerator Pumps, Conversion Kit, 50cc Diaphragm, Pump housing, Stud, Arm, Diaphragm, Spring, Screws, for Model 2300, 4150, 4160, Kit

Part Number: HLY-20-11

4.76 out of 5 stars ( 33 )

Estimated Ship Date: Tuesday 9/2/2025

Carburetor Needle and Seats, Holley, Inlet Needle, Steel, Adjustable, 0.150 in. Seat, Center Hung Float, Gaskets, for 750 cfm or Larger Carb, Pair

Part Number: HLY-6-519-2

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Tuesday 9/2/2025

Throttle Return Spring Brackets, Billet Aluminum, Carburetor Base Mount, Black Finish, Dual Spring, for Model 4150, 4160, Edelbrock Style, Each

Part Number: HLY-20-284

4.92 out of 5 stars ( 13 )

Estimated Ship Date: Tuesday 9/2/2025

Fuel Injection System Components, Holley EFI, Sealed USB Data Cable, 7 ft. Long, for Avenger HP, Dominator EFI Systems, Each

Part Number: HLY-558-409

4.58 out of 5 stars ( 12 )

Estimated Ship Date: Tuesday 9/2/2025

Electrical System Surge Protectors, Holley EFI, Transbrake Protection Module, ECU Input, Each

Part Number: HLY-554-128

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Tuesday 9/2/2025