Availability
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 34 Items.
Carburetor Adapter, 4-Hole, Square Bore Carburetor, Spread Bore Manifold, .850 in. Thick, Each
Part Number: EDL-2696
Estimated Ship Date: Today
Estimated Ship Date: Today
BUILD IT WITH SUMMIT!
Carburetor Adapter, Open Center, Spread Bore Carburetor, Square Bore Manifold, 0.750 in. Thick, Each
Part Number: SUM-G1401
Estimated Ship Date: Today
Estimated Ship Date: Today
Carburetor Adapter, Open Center, Square Bore Carburetor, Spread Bore Manifold, .750 in. Thick, Kit
Part Number: MRG-1932
Estimated Ship Date: Today
Estimated Ship Date: Today
Carburetor Sealing Plate, Open Center, Square Bore Carburetor, Spread Bore Manifold, .063 in. Thick, Each
Part Number: EDL-2732
Estimated Ship Date: Today
Estimated Ship Date: Today
Carburetor Sealing Plate, Open Center, Square Bore Carburetor, Spread Bore Manifold, .125 in. Thick, Each
Part Number: SUM-G1420
Estimated Ship Date: Today
Estimated Ship Date: Today
Carburetor Adapter, Open Center, Spread Bore Carb To Square Bore 4-Barrel Manifold, 0.750 in. Thick, Kit
Part Number: EDL-2692
Estimated Ship Date: Today
Estimated Ship Date: Today
Carburetor Adapter, 4-Hole, Square Bore Carb To Spread Bore Manifold, .850 in. Thick, Fuel Hose, Clamps, Kit
Part Number: EDL-2697
Estimated Ship Date: Today
Estimated Ship Date: Today
Carburetor Sealing Plate, Open Center, Spread Bore Carburetor to Spread Bore Manifold, 0.100 in. Thick, Each
Part Number: EDL-2731
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Carburetor Adapter, 1.00 in. Height, Aluminum, Natural, Square Bore Carb Flange, Spread Bore Manifold Flange
Part Number: SPE-5765
Estimated Ship Date: Today
Estimated Ship Date: Today
Carburetor Adapter, 2-Hole, Holley 2-Barrel Carburetor, Spread Bore Manifold, 1.00 in. Thick, Each
Part Number: SUM-G1407
Estimated Ship Date: Today
Estimated Ship Date: Today
Carburetor Adapter, 4-Hole, Square Bore Carburetor, Spread Bore Manifold, .875 in. Thick, Each
Part Number: TRD-2034
Estimated Ship Date: Today
Estimated Ship Date: Today
Carburetor Adapter, Open Center, Spread Bore Carburetor/4-Barrel Manifold, .063 in. Thick, Kit
Part Number: WND-9006
Estimated Ship Date: Today
Estimated Ship Date: Today
Carburetor Adapter, Open Center, Dominator Carburetor, Square Bore Manifold, 2.00 in. Thick, Each
Part Number: MOR-65000
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Carburetor Adapter, Aluminum, Natural, 2-Barrel Carburetor to 4-Barrel Manifold, 1.69 in. Bore, .750 in. Thick, Kit
Part Number: MOR-64966
Estimated Ship Date: Today
Estimated Ship Date: Today
Carburetor Adapters, Open Center, 0.500 in. Height, Aluminum, Natural, Square Bore 4-barrel, Each
Part Number: QFT-300-6QFT
Estimated Ship Date: Today
Estimated Ship Date: Today
Carburetor Adapter, 4-Barrel Carburetor to 4-Bolt 2-Barrell Manifold, Each
Part Number: SPE-5772
Estimated Ship Date: Today
Estimated Ship Date: Today
Carburetor Adapter, Aluminum, Natural, Open Center, 4-Barrel Quadrajet Adapter, 2.00 in. Thick, Kit
Part Number: MOR-64960
Estimated Ship Date: Today
Estimated Ship Date: Today
Carburetor Adapter, Competition, Aluminum, Q-Jet Carb To Square Bore Single Plane Intake, 0.75 in. Thick, Each
Part Number: EDL-2693
Estimated Ship Date: Today
Estimated Ship Date: Today
Carburetor Adapter, Split Center, Sideways Mount, Square Bore Carburetor/4-Barrel Manifold, .480 in. Thick, Kit
Part Number: OFY-5585
Not Yet Reviewed
Estimated Ship Date: Aug 13, 2026 if ordered today
Estimated Ship Date: Aug 13, 2026 if ordered today
Carburetor Adapter, Open Center, 4 in. Height, Aluminum, Natural, Holley 4150/4160 Square Bore, Each
Part Number: OFY-5497
Estimated Ship Date: Aug 13, 2026 if ordered today
Estimated Ship Date: Aug 13, 2026 if ordered today
Carburetor Adapters, Open Center, 0.750 in. Thick, Aluminum, Natural Finish, Hardware, Gaskets, 4150/4160 Mounting Flange, Kit
Part Number: HLY-17-6
Estimated Ship Date: Today
Estimated Ship Date: Today
Carburetor Adapter, Open Center, .750 in. Thick, Each
Part Number: TRD-2066
Estimated Ship Date: Today
Estimated Ship Date: Today
Carburetor Adapter, Open Center, 4-Barrel/2-Barrel, .938 in. Thick, Kit
Part Number: TRD-2065
Estimated Ship Date: Today
Estimated Ship Date: Today
Carburetor Adapter, Holley 2-Barrel to Quadrajet 4-Barrel, Each
Part Number: MRG-1929MRG
Estimated Ship Date: Today
Estimated Ship Date: Today
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