1937MRG Mr.Gasket Carb Adapter Kit-Large Holley to Small Rochester 4-Bolt(both 2-Barrel). Carburetor Adapter - Mounts Holley 2300 Series Carburetor to Small Rochester 2 Barrel Intake. Also Can Be Inverted to Mount Small Rochester Carburetor to Manifold with Holley 2300 Series Bolt Pattern.
