New Moog ball joint.  This is for the front control arm, lower ball joints.  Ball joint is greasable. Moog is the top quality choice for suspension parts.  Ball joints are sold individually.  For factory control arms only.  Fits the following:

84-96 Corvette

TECH TIP : These ball joints are pressed in place.  You will need a press and a ball joint receiver (cup) to remove and install the ball joint properly.