The QA1 Ultimate 4-bolt bolt-in ball joint for large GM applications includes a 1" extended stud for upper mounting. Exclusive to QA1, the patented self-lubricating design offers infinite preload adjustment for bind-free operation and precision tolerance ball-to-race fit for improved wear resistance. The unit is owner-rebuildable and supports multiple stud lengths for easy geometry changes and economical maintenance.
QA1 GM Large (K5208) +1.000in Stud Upper Bolt-In Style Ball Joint