SPC Performance Upper Control Arm - Adjustable - Screw-In Ball Joint - Steel - Black Paint - Chevy Fullsize Car 1955-57 (Pair) 3552024-17- M NPT or 8 AN port

NPT or 8 AN port sizes to match most EFI fuel systems

Primary or Secondary

1960-1964 Oldsmobile Super 88

Derale Pan 14110

Available in 16 or 18 ga material

SPC Performance Upper Control Arm - Adjustable - Screw-In Ball Joint - Steel - Black Paint - Chevy Fullsize Car 1955-57 (Pair) 3552024-17- M NPT or 8 AN portUse 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 you ride with available OE length and 1 4" extended Studs. Sold as pairs. US Patent No.