For the hot rodder that likes the looks of a mechanical fuel injection but wants the street ability of dual 4150 carburetors RBS carries this polished billet alum. adapter that mounts on top of any dual 4150 type carburetors on a 8.625" centerline dual carburetor adapter.
Adapter has two pockets machined 5.050" x .250" to register on top of the carburetors and attaches with provided 1/4"-20 mounting hardware. Adapter is 2.00" thick and has a 13.250" on center bolt pattern on the top side that accepts most of the industries injectors. Opening in the top of the adapter is 13.00" x 4.375". Finish is polished aluminum.