The QA1 Ultimate screw-in ball joint for special Mopar and NASCAR applications is an adjustable upper mounting available in a -.5" stud option. QA1's patented self-lubricating design provides infinite preload adjustment for smooth, bind-free operation and on-the-car adjustability. Precision tolerance fitting, owner-rebuildable construction and multiple stud lengths let racers fine-tune roll center and replace parts economically.
QA1 Mopar/NASCAR -.500in Stud Upper Screw-In Style Ball Joint