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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...

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 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.

Showing In Stock Items. Show All 9 Items.

Individual Parts

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Results 1 - 9 of 9

Mr. Gasket Carburetor Adapter Kits 1929MRG

Mr. Gasket Carburetor Adapter Kits 1929MRG

Mr. Gasket Carburetor Adapter Kits 1929MRG

Carburetor Adapter, Holley 2-Barrel to Quadrajet 4-Barrel, Each

Part Number: MRG-1929MRG

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Trans-Dapt Performance Carburetor Adapters 2087

Trans-Dapt Performance Carburetor Adapters 2087

Trans-Dapt Performance Carburetor Adapters 2087

Carburetor Adapter, 2-Barrel Rochester Carburetor to 4-Barrel Quadrajet Intake Manifold, Open Center, 1.00 in. Thick, Kit

Part Number: TRD-2087

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Moroso Carburetor Adapters 64960

Moroso Carburetor Adapters 64960

Moroso Carburetor Adapters 64960

Carburetor Adapter, Aluminum, Natural, Open Center, 4-Barrel Quadrajet Adapter, 2.00 in. Thick, Kit

Part Number: MOR-64960

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Canton Racing Carburetor Adapters 85-070

Made in the USA

Canton Racing Carburetor Adapters 85-070

Canton Racing Carburetor Adapters 85-070

Carburetor Adapter, Holley 2-Barrel to Quadrajet 4-Barrel, 1 in. Thick, Kit

Part Number: CTR-85-070

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Quick Fuel Carburetor Adapters 300-6QFT

Quick Fuel Carburetor Adapters 300-6QFT

Quick Fuel Carburetor Adapters 300-6QFT

Carburetor Adapters, Open Center, 0.500 in. Height, Aluminum, Natural, Square Bore 4-barrel, Each

Part Number: QFT-300-6QFT

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Edelbrock Carburetor Adapters 2692

Edelbrock Carburetor Adapters 2692

Edelbrock Carburetor Adapters 2692

Carburetor Adapter, Open Center, Spread Bore Carb To Square Bore 4-Barrel Manifold, 0.750 in. Thick, Kit

Part Number: EDL-2692

4.25 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Edelbrock Carburetor Adapters 2693

Made in the USA

Edelbrock Carburetor Adapters 2693

Edelbrock Carburetor Adapters 2693

Carburetor Adapter, Competition, Aluminum, Q-Jet Carb To Square Bore Single Plane Intake, 0.75 in. Thick, Each

Part Number: EDL-2693

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Spectre Performance Carburetor Adapters 5765

Spectre Performance Carburetor Adapters 5765

Spectre Performance Carburetor Adapters 5765

Carburetor Adapter, 1.00 in. Height, Aluminum, Natural, Square Bore Carb Flange, Spread Bore Manifold Flange

Part Number: SPE-5765

3.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Trans-Dapt Performance Carburetor Adapters 2090

Trans-Dapt Performance Carburetor Adapters 2090

Trans-Dapt Performance Carburetor Adapters 2090

Carburetor Adapter, Ported, Square Bore Carburetor, 4-Barrel Manifold, .500 in. Thick, Kit

Part Number: TRD-2090

3.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

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