2020-2023 Chevrolet Silverado/GMC Sierra 2500/3500 2009 saturn sky The UMI polyurethane bushings replace

The UMI polyurethane bushings replace the two upper control arm rear end differential bushings – the bushings that stay attached to the rear end “ears”

Innovative CNC machined offset bearing spacers provide +/- 2 degrees of caster adjustment

It includes tubular rear lower control arms and adjustable rear upper control arms for easy bolt-on installation

TIG welded and feature adjustment for a perfect fit on all 1964-1967 A-Body’s

2020-2023 Chevrolet Silverado/GMC Sierra 2500/3500 2009 saturn sky The UMI polyurethane bushings replace*When physically changing ring and pinion gears in the late model GM trucks, the factory cruise control will be disabled. While the Pulsar will allow you to recalibrate the speedometer for that gear change, it will not re activate the disabled cruise control system. GM has this feature laced into the engine calibration files and would require full ECM tuning to enable cruise again.