
...I found this on Moroso's site, it looks like the 62510 is taller.
Chevy II, Nova 1968-69 350 62510 62570
Chevy II, Nova 1968-69 396 62530 ---
Camaro 1967-68 350, 396 62530 ---
Camaro 1969 302 62510 62570
Camaro 1969 307 62500 62560
Camaro 1969 350 62510 62570