UMI on-car control arms with Roto-Joint tech for performance & quiet ride.UMI's on car adjustable lower control arms utilize our Roto Joint technology for a bind free performance, quiet ride quality, and also offer on car adjustment. The control arms can be adjusted longer or shorter moving the rear end back or forward to squeeze those larger tires in the fender wells. Adjustable control arms are also recommended for most aftermarket rear end installs to center the rear end and prevent tire rubbing. The installed Roto Joint

while the upper control arms feature 0

Used in low-power dog-ring racing trans axles with moderate to low load

403233 - 1964-1972 GM A-Body Tubular Upper & Lower A-Arm Kit- Delrin Bushings

This positions the 'instant center' (IC) higher in the chassis

This item will not work on vehicles with factory air condition

degrees C and nbsp

Adjustments can be made using the high quality QA1® Teflon lined spherical rod end that operates for a quiet bind free performance

anti-squat

Upgrade to UMI tubular adjustable control arms for reduced wheel hop

500" mild steel DOM tubing and each end utilizes tube adapters CNC machined from 4140 Chrome Moly to ensure overall strength and improved thread durability

Transmax J

and locking hardware