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The QA1 mid-spec 4-bolt upper bolt-in ultimate ball joint is built for GM upper locations, offering preload adjustability and a patented self-lubricating design for smooth operation. It is fully owner-rebuildable, accepts multiple stud lengths for geometry tuning, and is manufactured to precision tolerances to ensure even load distribution and durable, replaceable internals for long-term serviceability.
QA1 GM Mid (K5208) Upper Bolt-In Style Ball Joint
