QA1 Upper Ball Joint +1.00 GM Large 4-Bolt Motor Mount Insert Used by top race teams

Used by top race teams in rear ends

Steel fitting

Vehicle Applications: 1967-1981 Chevrolet Camaro CID 283

1953-1956 Packard Patrician

QA1 Upper Ball Joint +1.00 GM Large 4-Bolt Motor Mount Insert Used by top race teamsQA1's 4 Bolt Style Ultimate Ball Joint 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 results in even load distribution