643233-1 - 1973-1987 GM C10 Street PerfA-Arm Kit - 1/2" Taller Upper Ball JointUMIs street performance a arm kit improves steering feel, enhances cornering and reduces wandering.

it also fits other tight fitting long tube headers and y-pipe systems

Winter formulas use pour-point reducers to keep wax in suspension and reduce wax crystals to pass through filters and injectors

Built for easy bolt-on installation and complete with premium hardware

The rear setup includes adjustable frame braces

It will not work with the factory bushing that utilizes a two-piece design

CrMo tube adapters and assembled with polyurethane bushings

Kit is designed to reduce traction loss and minimize wheel hop found with stock control arms

with the MultiCam variant featuring 1000D Cordura nylon

rear tubular upper and lower control arms

This item works excellent to replace worn out rod ends or rod ends making unbearable noise

designed using FEA

a rear torque arm hardware kit is recommended