I did not invert the shock tower when I put the 528 in my 64 Sport Fury. The valve cover is very close to the shock stud but I have a tie down on the engine to keep it from rocking so it is not a big deal.

'64 Sport Fury, 528 Hemi, FiTech EFI, 4-speed, 4.10 Dana 60
'57 Belvedere 2dr sedan, current project in process
'19 Cherokee Trail Hawk Elite
'03 Ram 2500 CTD HO, 6-speed 214,000 miles and still going strong