Mr. Gasket 1932 Carburetor adapter kit adapts square flange carburetors to Quadra-jet 4-barrel intake manifolds and is 3/4” thick with an open center, square bore to spread bore. This kit install quickly and easily. Gaskets, studs, nuts and washers are included. Adapters are made of die cast aluminum. Open Center Provides Better Air Fuel Distribution. Allows For Easy Installations. Die Cast Aluminum. Includes Hardware & Gaskets. Thickness 3/4” (without gaskets).