Holley Carburetors, Carburetor Parts & Rebuild Kits

The words Holley and carburetors go together like gearheads and grease. Holley’s famous carbs have been found on street rods, muscle cars, and race cars for decades,...

The words Holley and carburetors go together like gearheads and grease. Holley’s famous carbs have been found on street rods, muscle cars, and race cars for decades, and you can bring that same legendary performance to your ride, too! Holley carburetors are built in theUSAand 100 percent flow tested for out-of-the-box performance. We carry all of Holley’s most popular carbs, including the legendary 4150, Dominator, Avenger, Double Pumper, and more—dozens of styles in stock and ready to ship! Shop now!

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Results 1 - 25 of 84

Holley Needle and Seat Assemblies 6-504

Carburetor Needle and Seats, Holley, Viton® Inlet Needle, Adjustable, Steel, 0.110 in. Seat, Center Hung Float Style, Gaskets Included, Each

Part Number: HLY-6-504

4.92 out of 5 stars ( 24 )

Estimated Ship Date: Today

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Holley Needle and Seat Assemblies 6-522

Carburetor Needle and Seats, Viton® Inlet Needle, Adjustable, Center Hung Float Style, 0.130 in. Seat, Gasket Included, Pair

Part Number: HLY-6-522

4.45 out of 5 stars ( 11 )

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Holley Carburetor Float Kits 116-10

Carburetor Floats, Clearanced, Nitrophyl, Center Hung Bowls, Holley, Kit

Part Number: HLY-116-10

4.5 out of 5 stars ( 26 )

Estimated Ship Date: Today

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Holley Carburetor Float Kits 116-3

Carburetor Floats, Nitrophyl, Center Hung Bowls, Holley, Each

Part Number: HLY-116-3

4.89 out of 5 stars ( 18 )

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Holley Needle and Seat Assemblies 6-518-2

Carburetor Needle and Seats, Viton® Inlet Needle, Adjustable, Center Hung Float Style, 0.120 in. Seat, Gasket Included, Pair

Part Number: HLY-6-518-2

4.56 out of 5 stars ( 9 )

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Holley Throttle Body to Carbureted Manifold Adapters 17-93

Throttle Body Adapters, Throttle Body to Carbureted Manifold Adapter, Open Center, Billet Aluminum, Black Anodized, 1.00 in. Height, Square Bore, Kit

Part Number: HLY-17-93

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Holley Needle and Seat Assemblies 6-519-2

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: Today

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Holley Carburetor Float Kits 116-2

Carburetor Floats, Brass, Center Hung Bowls, Holley, Each

Part Number: HLY-116-2

4.79 out of 5 stars ( 19 )

Estimated Ship Date: Today

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Holley Carburetor Discharge Nozzle Gaskets 1008-844

Carburetor Gaskets, Discharge Nozzle, Aluminum, Center Nozzle, Holley, R4224, 10-piece, Set

Part Number: HLY-1008-844

5.0 out of 5 stars ( 3 )

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Holley Needle and Seat Assemblies 6-521

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

Part Number: HLY-6-521

Not Yet Reviewed

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Holley Carburetor Float Kits 116-11

Carburetor Floats, Clearanced, Nitrophyl, Center Hung Bowls, Holley, Each

Part Number: HLY-116-11

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Holley Needle and Seat Assemblies 6-515-2

Carburetor Needle and Seats, Holley, Inlet Needle, Steel, Adjustable, 0.130 in. Seat, Center Hung Float, Gaskets, for 750 cfm or Larger Carb, Pair

Part Number: HLY-6-515-2

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Holley Fuel Bowls 134-78HB

Fuel Bowls, Secondary, Center Hung, Black Anodized, Holley 4150, 4160, 4500, Gaskets Included, Each

Part Number: HLY-134-78HB

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Holley Fuel Bowls 134-71S

Fuel Bowls, Primary, Center Hung, Polished, Holley 2300, 4150, 4160, Gaskets Included, Each

Part Number: HLY-134-71S

4.64 out of 5 stars ( 11 )

Estimated Ship Date: Today

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Holley Carburetor Adapters 17-43

Carburetor Adapters, Open Center Style, 0.50 in. Thick, Hardware, Gaskets, Aluminum, Natural Finish, fits 2300 Series Flange, Each

Part Number: HLY-17-43

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Holley Needle and Seat Assemblies 6-502-2

Carburetor Needle and Seats, Holley, Inlet Needle, Adjustable, Steel, 0.120 in. Seat, Center Hung Float, Gaskets, for 750 cfm or Larger Carb, Pair

Part Number: HLY-6-502-2

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Holley Fuel Bowls 134-78S

Fuel Bowls, Center Hung, Shiny, Ultra HP Fuel Bowl Primary or Secondary, Holley, Each

Part Number: HLY-134-78S

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Holley Fuel Bowls 134-73S

Fuel Bowls, Secondary, Center Hung, Polished, Holley 4150, Gaskets Included, Each

Part Number: HLY-134-73S

Not Yet Reviewed

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Holley Carburetor Adapters 17-6

Carburetor Adapters, Open Center, 0.750 in. Thick, Aluminum, Natural Finish, Hardware, Gaskets, 4150/4160 Mounting Flange, Kit

Part Number: HLY-17-6

Not Yet Reviewed

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Holley Carburetor Float Hanger Kits 20-105

Float Hangers, Center Hung Installation, Steel Hanger, Spring, Rod, Screws, Each

Part Number: HLY-20-105

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Holley 0.5 Inch Carburetor Spacer 17-62

Carburetor Spacers, Open Center, 0.500 in. Thick, Phenolic Plastic, Black, 4150 Mounting Flange, Each

Part Number: HLY-17-62

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

Holley Fuel Bowls 134-102S

Fuel Bowls, Secondary, Center Hung, Shiny, Holley 4150/4160, Each

Part Number: HLY-134-102S

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Holley Needle and Seat Assemblies 1018-135

Carburetor Needle and Seats, Center Hung Fuel Bowl Float, Viton® Needle, Adjustable, Demon, Holley, 10-piece, Set

Part Number: HLY-1018-135

Not Yet Reviewed

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Holley Fuel Bowl Inlet Fitting Gaskets 108-8

Carburetor Gaskets, Fuel Bowl, Inlet Fitting, 7/8 in.-20, Steel, Center Hung Float Bowl, Pair

Part Number: HLY-108-8

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Holley Carburetor Float Kits 116-15

Carburetor Floats, Nitrophyl, Center Hung Bowls, Notched Wedged Style, Holley, Each

Part Number: HLY-116-15

4.33 out of 5 stars ( 6 )

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