Adapter for installing Rochester 2-GC 4 bolt two bbl. carb to Holley 500 base.
Adapter for installing Chevrolet 2 bbl. carb on Ford 2 bbl. manifold. Chevrolet-GM 2-GC base is four bolt 3 3/4" on center by 2" on center. Ford-Holley 2 bbl. 4 bolt pattern is : 5 1/8" on center by 3 1/2" on center.
This adapter will not fit the small pattern 4 bbl. manifolds. Part # 5895A : $40.00.
