This cast aluminum adapter allows a Model 2300 flange carburetor to be mounted on manifolds designed for the larger Rochester 2GC bolt pattern.
Specifications:
- Brand: Holley
- Flange Style: 2300
- Material: Aluminum
- Product Type: Carburetor Adapter
- Warranty: Manufacturer's Limited 90 Day Warranty
- Part Number: 17-43
Fits the larger Rochester bolt pattern; for the smaller Rochester bolt pattern, use part number 1937MRG instead.
FAQ
What carburetor flange does this adapter accept?
A Model 2300 flange carburetor.
What manifold bolt pattern does it adapt to?
The larger Rochester 2GC bolt pattern.
What if I need the smaller Rochester bolt pattern?
Use part number 1937MRG instead — this adapter (17-43) fits the larger Rochester bolt pattern only.

