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.
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
Estimated Ship Date: Today
Estimated Ship Date: Today
BUILD IT WITH SUMMIT!
Carburetor Adapter, 2-Hole, Holley 2-Barrel Carburetor, Square Bore Manifold, 1.00 in. Thick, Each
Part Number: SUM-G1406
Estimated Ship Date: Today
Estimated Ship Date: Today
Carburetor Adapters, Open Center Style, 0.50 in. Thick, Hardware, Gaskets, Aluminum, Natural Finish, fits 2300 Series Flange, Each
Part Number: HLY-17-43
Estimated Ship Date: Today
Estimated Ship Date: Today
Carburetor Adapters, Open Center, Dominator Carburetor, Square Flange Manifold, 2.250 in. Thick, Kit
Part Number: HLY-17-9
Not Yet Reviewed
Estimated Ship Date: Feb 12, 2026 if ordered today
Estimated Ship Date: Feb 12, 2026 if ordered today
Carburetor Adapter, Holley 2-Barrel to Quadrajet 4-Barrel, Each
Part Number: MRG-1929MRG
Estimated Ship Date: Today
Estimated Ship Date: Today
Carburetor Adapter, Open Center, Two Barrel Carburetor, 2-Barrel Manifold, .500 in. Thick, Kit
Part Number: MRG-1937MRG
Estimated Ship Date: Today
Estimated Ship Date: Today
Carburetor Adapter, Open Center, Square Bore Carburetor, 1.00 in. Thick, Kit
Part Number: MRG-1933
Estimated Ship Date: Today
Estimated Ship Date: Today
Carburetor Adapter, Open Center, Holley 2-Barrel Carburetor, Small 1-Barrel Manifold, 1.75 in. Thick, Kit
Part Number: TRD-2044
Estimated Ship Date: Today
Estimated Ship Date: Today
Carburetor Adapter, Open Center, Holley 2-Barrel Carburetor, Rochester 2-Barrel Manifold, .500 in. Thick, Each
Part Number: TRD-2086
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, Open Center, Holley 2-Barrel Carburetor, Toyota 22R Manifold, 1.75 in. Thick, Kit
Part Number: TRD-2184
Estimated Ship Date: Today
Estimated Ship Date: Today
Carburetor Adapter, Aluminum, Natural, Holley 4360 to Small Quad, Kit
Part Number: OFY-6264
Not Yet Reviewed
Estimated Ship Date: Apr 21, 2026 if ordered today
Estimated Ship Date: Apr 21, 2026 if ordered 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, 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 Spacer, 2.125 in. Tall, Open, Aluminum, Natural, Carter, Edelbrock, Holley, Square Bore, Each
Part Number: TRD-2381
Need It Sooner? We recommend these similar substitute parts:
Carburetor Adapter, Ported, Holley 2-Barrel Carburetor, Large 1-Barrel Manifold, 1.125 in. Thick, 2 15/16, Kit
Part Number: TRD-2041
Carburetor Adapter, Weber DGV And Holley 5200-5210 Carbs To Datsun B110/B210 for use on Honda®Civic, Kit
Part Number: TRD-2133
Carburetor Adapter, 2-Hole Type, Holley 2-Barrel Carburetor to Square Bore Manifold, 1.0 in. Thick, Each
Part Number: HAM-3223
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered 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, Open Center, 2-Barrel Carburetor/2-Barrel Manifold, Kit
Part Number: TRD-2040
Estimated Ship Date: Today
Estimated Ship Date: Today
Carburetor Adapter, Open Center, 2-Carburetor/2-Barrel Manifold, .625 in. Thick, Kit
Part Number: TRD-2039
Estimated Ship Date: Today
Estimated Ship Date: Today
Estimated Ship Date: Today
Carburetor Adapter, Ported, Square Bore Carburetor, 4-Barrel Manifold, .500 in. Thick, Kit
Part Number: TRD-2090
Estimated Ship Date: Today
Estimated Ship Date: Today
Carburetor Adapter, 2-Barrel Rochester Carburetor to 4-Barrel Quadrajet Intake Manifold, Open Center, 1.00 in. Thick, Kit
Part Number: TRD-2087
Estimated Ship Date: Today
Estimated Ship Date: Today
Carburetor Adapter, 0.75 in., 2300/2305 2-Barrel Carburetor to 4150/4160 Intake, 1.50 in. Bore
Part Number: MOR-64965
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster