SPC Performance Upper Control Arm - Adjustable - Screw-In Ball Joint - Steel - Black Paint - GM F-Body 1970-81 (Pair) 910015 Designed for cars with low

Designed for cars with low hood clearance -- Vettes

Have Threaded Base

The split-valve shocks offer additional tuning capabilities over the standard valving

They may seem like normal socks

SPC Performance Upper Control Arm - Adjustable - Screw-In Ball Joint - Steel - Black Paint - GM F-Body 1970-81 (Pair) 910015 Designed for cars with lowProduct Description: Control Arm Tubular Upper Adjustable Screw In Ball Joint Steel Black Paint GM F Body 1970 81 Pair Specialty Products pioneered the alignment parts business in 1975 and is the preferred brand by professional installers. As a holder of numerous strategic patents, Specialty Products Company leads the industry in product innovation.