74 Duster 4 speed adjustments

Does your bell housing mount look like this one? Brewer's Performance - Mopar A833 4-Speed Transmission and Component Specialists

That is the correct one for a '72 and up A Body. Yours looks to put the ball above the top bolt, which would cause an angle.

Brewers also shows a '71 down mount that might be what you have. Brewer's Performance - Mopar A833 4-Speed Transmission and Component Specialists
Yes mine is the first one you have up.