Carburetor Adapter Plate

You’ve got a squarebore carb and a spreadbore intake manifold

You’ve got a squarebore carb and a spreadbore intake manifold—no problem! A carburetor adapter fits between the bottom of the carb or throttle body and the top of the manifold, just like a carburetor spacer, making the combination work!

Summit Racing Equipment’s powerful website makes finding the right carb adapter simple. Just select your flange types and bolt patterns in the left-hand column, and you’ll narrow down your search results! Then you can find the material, height, and brand you want.

Top Brands

For a leak-free fit, get your carb adapter from a trusted manufacturer! Summit Racing only carries brands that our sales...

Top Brands

For a leak-free fit, get your carb adapter from a trusted manufacturer! Summit Racing only carries brands that our sales and tech enthusiasts would use on their own project vehicles, like Mr. Gasket, Edelbrock, Holley, Canton Racing Products, Brodix, Dart, and more, plus our own Summit Racing brand adapters.

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Trans-Dapt Performance Carburetor Adapters 2281

Trans-Dapt Performance Carburetor Adapters 2281

Carburetor Adapter, Open Center, Dominator Carburetor, Square Bore Manifold, 2.00 in. Thick, Each

Part Number: TRD-2281

4.92 out of 5 stars ( 13 )

Estimated Ship Date: Tomorrow

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Summit Racing™ Carburetor Adapter Plates SUM-G1403

Carburetor Adapter Plate, Individual Venturi Ports, 0.500 in. Height, Aluminum, Natural, Gaskets, Kit

Part Number: SUM-G1403

3.93 out of 5 stars ( 15 )

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Edelbrock Carburetor Adapters 2694

Carburetor Adapters, Standard Flange Sideways Adapter Plates, 0.55 in. Thick, 2 Plates, Gaskets, Hardware, Kit

Part Number: EDL-2694

3.4 out of 5 stars ( 10 )

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Trans-Dapt Performance Carburetor Adapters 2086

Carburetor Adapter, Open Center, Holley 2-Barrel Carburetor, Rochester 2-Barrel Manifold, .500 in. Thick, Each

Part Number: TRD-2086

4.24 out of 5 stars ( 21 )

Estimated Ship Date: Tomorrow

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Edelbrock Carburetor Adapters 2697

Carburetor Adapter, 4-Hole, Square Bore Carb To Spread Bore Manifold, .850 in. Thick, Fuel Hose, Clamps, Kit

Part Number: EDL-2697

4.27 out of 5 stars ( 15 )

Estimated Ship Date: Tomorrow

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Trans-Dapt Performance Carburetor Adapters 2034

Carburetor Adapter, 4-Hole, Square Bore Carburetor, Spread Bore Manifold, .875 in. Thick, Each

Part Number: TRD-2034

4.4 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

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Trans-Dapt Performance Carburetor Adapters 2065

Carburetor Adapter, Open Center, 4-Barrel/2-Barrel, .938 in. Thick, Kit

Part Number: TRD-2065

3.71 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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HVH Super Sucker Carburetor Adapters SS4412-1SWAL

Carburetor Adapter, Super Sucker, Individual Venturi Ports, 1.0 in. Height, Aluminum, Sideway, Holley 2-barrel Carb Flange, Square Bore 4-barrel, Each

Part Number: HVH-SS4412-1SWAL

Not Yet Reviewed

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Trans-Dapt Performance Carburetor Adapters 2040

Carburetor Adapter, Open Center, 2-Barrel Carburetor/2-Barrel Manifold, Kit

Part Number: TRD-2040

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Wilson Manifolds Carburetor Adapters 007030

Carburetor Adapter, Aluminum, Open Center, Dominator Manifold to Square Bore Carburetor, 1.50 in. Thick, Each

Part Number: WSN-007030

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Edelbrock Carburetor Adapters 8716

Carburetor Adapter , Aluminum, 2.0 in. Thick, Open, Square Bore Flange to Dominator Mounting Flange, Kit

Part Number: EDL-8716

4.43 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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Wilson Manifolds Carburetor Adapters 027030

Carburetor Adapter, Aluminum, Open Center, Dominator Carburetor to Square Bore Manifold, 1.50 in. Thick, Each

Part Number: WSN-027030

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Edelbrock Carburetor Adapters 1106

Carburetor Adapter Flange, Split, Aluminum, Gasket, Hardware, 4-Barrel, Square Bore, Ford, Flathead V8, Kit

Part Number: EDL-1106

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Moroso Carburetor Adapters 65000

Carburetor Adapter, Open Center, Dominator Carburetor, Square Bore Manifold, 2.00 in. Thick, Each

Part Number: MOR-65000

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Moroso Carburetor Adapters 64966

Carburetor Adapter, Aluminum, Natural, 2-Barrel Carburetor to 4-Barrel Manifold, 1.69 in. Bore, .750 in. Thick, Kit

Part Number: MOR-64966

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Edelbrock Carburetor Adapters 2691

Carburetor Adapter, Aluminum, Natural, 4-Barrel Thermo-Quad Adapter, 0.750 in. Thick, Gaskets, Hardware, Kit

Part Number: EDL-2691

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Weiand Carburetor Sealing Plates 9006

Carburetor Adapter, Open Center, Spread Bore Carburetor/4-Barrel Manifold, .063 in. Thick, Kit

Part Number: WND-9006

4.25 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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Canton Racing Carburetor Adapters 85-060

Carburetor Spacer, Phenolic, 1.00 in. Thick, 2-Hole, 2-Barrel, Kit

Part Number: CTR-85-060

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Wilson Manifolds Carburetor Adapters 044111

Carburetor Adapter, Aluminum, Tapered, Light Weight, 2300 2-Barrel to 4150 4-Barrel, 1 in. Thick, Each

Part Number: WSN-044111

Not Yet Reviewed

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Offenhauser Carburetor Adapters 5497

Carburetor Adapter, Open Center, 4 in. Height, Aluminum, Natural, Holley 4150/4160 Square Bore, Each

Part Number: OFY-5497

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 16, 2025 if ordered today

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Estimated Ship Date: Dec 16, 2025 if ordered today

WEHRS Carburetor Adapters WM206100

Carburetor Adapters, Individual Venturi Ports, 1.00 in. Height, Aluminum, Black Anodized, Holley 2-barrel Carb Flange, Spread Bore 4-barrel, Each

Part Number: WEH-WM206100

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Edelbrock Carburetor Adapters 2731

Carburetor Sealing Plate, Open Center, Spread Bore Carburetor to Spread Bore Manifold, 0.100 in. Thick, Each

Part Number: EDL-2731

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Trans-Dapt Performance Carburetor Adapters 2125

Carburetor Adapter, Aluminum, Weber DGV, DGEV Series Carbs to Jeep 1-Barrel, 1.625 in. Height, Studs, Gaskets

Part Number: TRD-2125

3.8 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Offenhauser Carburetor Adapters 5832

Carburetor Adapter, Aluminum, Open Center, Holley, 4150/4160, Mounts 90 Degrees Sideways, .480 in. Thick, Pair

Part Number: OFY-5832

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Trans-Dapt Performance Carburetor Adapters 2184

Carburetor Adapter, Open Center, Holley 2-Barrel Carburetor, Toyota 22R Manifold, 1.75 in. Thick, Kit

Part Number: TRD-2184

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Offenhauser Carburetor Adapters 5925

Carburetor Adapter, Open Center, Aluminum, Natural, 0.50 in. Height, 4500 Carb to AFB Manifold, Each

Part Number: OFY-5925

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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