ball joint ?
 

I Am Want To Use 70 A-arms On My 72 . I Know The A-arms Will Inner Change But The Parts Guy Told Me They Show 2 Drifferent Ball Joints . So Will The 70 A-arms Still Work With My 72 Spinels. Thanks For Any Help.

Re: ball joint ?
 

I think the ball joints interchange between the A-arms.IIRC you have to use the BJ's for the spindles.I "Think" this is right.Someone should chime in to confirm or deny.

Re: ball joint ?
 

P.D., you are right. Bill, use the Ball Joints (upper+lower) for the year of the spindles you are using, you can put any year ball joint in any year upper/lower A arm. The difference is in the ball joint stud diameter where they meet the spindle.

Re: ball joint ?
 

:agree: They will fit and work fine.