RBS stocks a large line of carb adpts and here is another shining example. This carb adpt. starts as a solid chunk of billet alum. and is machined to fit PSI screw gas blowers allowing you to mount two 4150 type carbs side saddle a top your supercharger.
The adpt. is machine finished and includes mounting hardware to bolt to the supercharger. Fits all standard 4150 type carburetor flanges. Plate is .670" thick.