BMR 91-96 B-Body Upper Control Arms On-Car Adj. STD. Length (Poly) - Black HammertoneLaunching harder, reducing wheel hop, and adding cornering consistency to your 1991 1996 GM B body is easy with upper control arms from BMR's suspension. Stock control arms with soft rubber bushings deflect under load and absorb power instead of transferring it to the tires. BMRs polyurethane, on car adjustable tubular control arms for B bodies (UTCA002 1) are manufactured from heavy duty 1 5 8 inch, 0. 120 inch wall DOM steel tubing. The center