Description: This carburetor adapater kit fits 4-bolt, 4-barrel carburetors to 4-bolt, 2-barrel intake manifolds or 4-bolt, 2-barrel carburetors to 4-bolt, 4-barrel intake manifolds and is 1" thick with an open center, square bore to 2 barrel. Feature: Quick and Easy Installation Diecast Aluminum Adapters Includes Gaskets and Studs Including Nuts and Washers Reference：1933 Carburetor Flange (application): Square bore Carburetor Bolt Pattern: 4-bolt (5 5/8 in. x 5 1/8 in.) Manifold Mounting Flange: Large 2-barrel Manifold Bolt Pattern: 4-bolt (3 3/4 in. x 2 in.) Carburetor Flange (application): Square bore .
