KB Carb
2.325 throttle bore
2.020 venture size
It comes with APD Black Widow Spacer thats had the holes already bored out to fit carb.
Also will come with 4 Hole throttle bracket bored out as well.
Currently is running on 632 SR20 motor runs low 4.40's in 2065lb American Dragster.
Call or text 606-585-3543 for any questions or picture