Most likely you'll have to have the lower ball joint pressed out and the new one pressed in by a shop. I recently did this job on my 300SE and I tried to do it myself but couldn't.

Do a search in the tech forum for ball joint or front end. This has been covered before. You're not alone.

__________________
Regards

Warren

Currently 1965 220Sb, 2002 FORD Crown Vic Police Interceptor

Had 1965 220SEb, 1967 230S, 280SE 4.5, 300SE (W126), 420SEL

ENTER > = (HP RPN)

Not part of the in-crowd since 1952.