Square bore to 2-barrel carburetor to manifold adapter kit. This kit will adapt a 4-bolt 2-barrel flange to a 4-bolt square bore flange carburetor or manifold. It can be used to convert a 4-barrel manifold to 2-barrel or a 2-barrel manifold to 4-barrel. The adapter is 1" thick r. Includes hardware and gaskets.Adapter Bolt PatternsHolley or Rochester 2-Barrel: 5-1/8" x 3-1/2" or 3-1/4" x 1-7/8"
