QA1 Upper Ball Joint – Fits Tubular Control Arms

🛞 PRECISION YOU CAN FEEL – QA1 UPPER BALL JOINT FOR TUBULAR CONTROL ARMS

This is a QA1 upper ball joint designed for use with QA1 tubular upper control arms on 1984–1987 Buick Grand Nationals and other GM G-body platforms. Known for their strength and rebuildability, these ball joints are great for street and track use, giving you sharper steering response and reliability under hard launches or cornering.

✅ Fits QA1 tubular upper control arms
✅ Designed for 1984–1987 Buick Grand National, Turbo Regal, Monte Carlo SS, and other G-body cars
✅ Bolt-in design (QA1-style 3-bolt flange)
✅ Hardened stud with castle nut/cotter pin provision
✅ Can be disassembled and serviced

🟢 Green Dot – Used but fully functional. Threads and taper are in great shape. No play in the stud. Sold as-is with no boot or hardware included.