The QA1 lower press-in ultimate ball joint for GM applications is a precision, adjustable unit intended for lower locations. Its patented self-lubricating design and preload adjustability deliver smooth, bind-free operation. The joint is 100% owner rebuildable with replaceable parts, allowing maintenance or geometry changes using multiple stud lengths without removing the housing from the car.
QA1 GM (K6117) Lower Press-In Style Ball Joint