QA1 Ultimate Adjustable Upper Ball Joint - 4-Bolt For GM (K6136) - 1975-1986 Chevrolet C10 Centurion S) Height Adjustable Spring Kit

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QA1 Ultimate Adjustable Upper Ball Joint - 4-Bolt For GM (K6136) - 1975-1986 Chevrolet C10 Centurion S) Height Adjustable Spring KitQA1's 4 Bolt Style Ultimate Ball Joint for the 1975 1986 Chevrolet C10 is ideal for a variety of racing applications. Exclusive to QA1, this patented, self lubricating design is 100% owner rebuildable. Multiple stud lengths are also available, allowing for easy geometry changes. Infinite preload adjustment allows breakaway torque to be set as low as 0 ft. lbs. for a completely smooth, bind free operation. Precision tolerance ball to race conformity