Truth be told, most 50-year-old rubber bushings are cracked and dry-rotted, so it made perfect sense to replace these components while the front suspension was torn down. This upper control arm ...

1966 Chevy Chevelle Polygraphite Bushings - Beating Around The Bushings Rebuilding A '66 Chevelle Front End With PST's Polygraphite Kit.

These upper control arms are original-looking with the exception that the bushings are polyurethane to help minimize deflection. Stock rubber bushings are offered too (PN KR20045).