Newer 2 bolt aluminum master cylinder for BB A-body

i revert to my original suggestion then, offset the master upwards not sideways. geometry wise it's be easier to do as well.
neil.

As far as the two pics above, all cars don't have that much room. I have raised port heads on my 440/505 , and had to mill the lower fin off the drivers side valve cover , even w/ the off set adapt and later master cyl..