QA1 Upper Ball Joint Front Backup Washer Embossed shim

Embossed shim

6-cyl require 3 coils and 8-cyl require 4 coils

Three interchangeable injector nozzles to cover a wide variety of HP levels (250cc/min

ARP 2000 bolts

1967-1981 Mercury Cougar

QA1 Upper Ball Joint Front Backup Washer Embossed shimQA1'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