Physically yes all small block balancers will fit...

but as noted above...some are for externally balanced engines...and the pre 1970 cars will have problems with the timing marks on the driver side were the bottom radiator hose will block the timing marks.

Tony

70 AARCuda Vitamin C
71 Dart Swinger 360 10.318 @ 128.22(10-04-14 Bakersfield)
71 Demon 360 10.666 @122.41 (01-29-17 @ Las Vegas)
71 Duster 408 (10.29 @ 127.86 3/16/19 Las Vegas)