SPC Performance Upper Control Arm - Adjustable - Screw-In Ball Joint - Steel - Black Paint - GM B-Body 1958-64 (Pair) H760C49M 500" BoreSince 1989

500" BoreSince 1989

39mm diameter fits most applications

and improve shifting performance

Centerforce Clutch Disc 280490 Size 10 in

SPC Performance Upper Control Arm - Adjustable - Screw-In Ball Joint - Steel - Black Paint - GM B-Body 1958-64 (Pair) H760C49M 500" BoreSince 1989Use this patented design with the most adjustability and best clearance of any arm on the market to modernize the front suspension on your classic Chevy. SPC uses a 1 2" extended ball stud to improve camber curve, now adjust in some caster and a bit of camber and enjoy the drive. The fully rebuildable and greasable ball joints can also be customized for your ride with available OE length and 1 4" extended Studs. Sold as pairs. US Patent No.