Massive Speed System - Upper Control Arm UCA 65-66 GM Full Size B Body Impala Biscayne Rear

The Massive Speed Competition Series Upper Control Arm is the perfect upgrade for your '65-'66 GM Full Size B Body Impala Biscayne. With heavy-wall steel tubing and polyurethane bushings, this UCA will help provide stronger torque transfer and better rear end stability, reducing wheel hop and deflection. Get ready to dominate the road!