Offenhauser 6231 Adapter allows the installation of a Holley carb 350/500 2 bbl carburetor to a stock 2.0 manifold or any Ford with a small carburetor bolt pattern.
Carburetor Flange (application): Holley 2-barrel
Carburetor Bolt Pattern: 4-bolt (5 1/8 in. x 3 1/2 in.)
Manifold Mounting Flange: Rochester large 2-barrel
Manifold Bolt Pattern: 4-bolt (3 3/4 in. x 2 in.)
Height (in.): 0.500 in.
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