Some--usually older-style--ball joints are pressed into the lower control arm with a hydraulic press. There are ways to press the old ones out and new ones in, but they involve specialized tools.

The lower control arm was connected to the ball joint and the ball joint nut was installed. See All 26 Photos The torsion bar adjuster was tightened until the slack in the control arm was removed.

Although the ball joints are locked in place to the lower control arm, they can be replaced. General Motors does sell the ball joints separately at about $95 each, and I have seen quality ...

The safest way to repair broken lower control arms on 1967-1970 Chevy C10s is to replace them. It will cost $279 for a pair of stock China-made stamped replacements, plus the ball joints.

That’s because on your particular car, the control-arm bushing and one ball joint come as a set. Your car is unusual in that it has two lower ball joints for each front wheel.

After servicing vintage Mustangs for many years, the Mustang Shop of Arizona spent six years developing their fully articulating lower control arm and strut rod kit for '65-'70 Mustangs.