UMI Performance Street Performance A-Arm Kit Chevy C10 73-87 Black w/ 1/2” Taller Ball Joint

Upgrade your suspension geometry and handling precision with this UMI Street Performance A-Arm kit for 1973-1987 Chevy C10s. This direct bolt-in kit (643233-1-B) includes upper and lower control arms constructed from laser-cut, 3/16" DOM steel tubing. It features Delrin bushings for smooth suspension movement. A 1/2" taller Proforged upper ball joint improves camber gain and overall stability, while an integrated geometry-correct ball joint pad and bump stops enhance steering control and road feel. Designed for street performance, this kit is ideal for both daily driving and spirited cruises. It works with factory, UMI, or most aftermarket springs, and it includes integrated brake cable tabs and 4140 machined cross shafts for long-term durability.

Features and Benefits:
- Includes upper and lower tubular A-arms
- Black powder coat finish for durability and corrosion resistance
- 3/16" bent DOM steel tubing construction
- 1/2" taller Proforged upper ball joint for improved geometry
- Geometry-correct ball joint pad enhances suspension travel
- Delrin bushings allow smooth suspension articulation
- Integrated bump stops and brake cable tab
- 4140 machined cross shafts for added strength
- Compatible with factory or aftermarket springs
- Requires no modifications
- Sold as a complete pair

Vehicle Fitment:
- 1973-1987 Chevy C10