Upper Control Arm, DOM, On-car Adj, Spherical BearingLaunching harder, reducing wheel hop, and adding cornering consistency to your 2011 2014 Ford Mustang is easy with an upper control arm from BMR Suspension. The stock control arm with soft rubber bushings deflects under load and absorbs power instead of transferring it to the tires. BMRs spherical, on car adjustable tubular control arm for S197 Mustangs (UTCA033) is manufactured from heavy duty 1 5 8 inch, 0. 120 inch wall DOM steel tubing. The center