Twin 4 barrel blower adapter suits GM 4/71 supercharger this cast adapter allows you to run 2×4 barrel square bore carburetors either north south or east west, included in the kit is
1x AS0571 adapter plate. 20MM high
2x AS0479 top gaskets
8x socket head cap screws
1x AS0139-18. 70MM high
Components can be purchased separately if you are doing your own custom installation.
Measurements of the components included in this kit are.
Overall height with the 2 adapters required is 90mm additional material can be removed from the carb pad height or the base of the 2×4 carb adapter but could affect performance.
length 405mm overall of carb mounting adapter
distance between carb mounting pads 75mm