Here's a bolt in kit from Chev's of the 40's.
https://www.chevsofthe40s.com/detai..._Kit_BoltOn_For_194054_Chevy_Or_GMC.htmlThere are some other kits out there from companies like TransDapt too.
As far as your trans mount goes. It all depends on your engine height, angle, etc... There are more trans mount combinations out there than you can shake a stick at.
Anything you do is going to require some custom fabrication and some tape measure work. No easy answer.