QA1 Upper Adjustable Ball Joint - Greasable - Bolt-in - GM A-Body/F-Body/X-Body 1964-1974 HYPLMED11PA Helps maintain good idle control

Helps maintain good idle control when using radical camshafts

Exhaust runner volume: 75cc

push-in style breather

Chevrolet: 3E 59 - 59 4

Kit includes two pins with locking clips for adjusting wing tree height

QA1 Upper Adjustable Ball Joint - Greasable - Bolt-in - GM A-Body/F-Body/X-Body 1964-1974 HYPLMED11PA Helps maintain good idle controlQA1'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