Bearing Kit, Rear Upper and Lower Control ArmsGreatly reduce wheel hop and add cornering consistency to your C5 and C6 Corvette with a Rear Control Arm Bearing Kit from BMR Suspension! OE bushings are designed from soft rubber that deflects during normal and aggressive maneuvering, diminishing performance when you need it most. BMRs Rear Upper and Lower Control Arm Bearing Kit (CBK557) eliminates rear control arm bushing deflection and is designed for max effort street performance, drag racing,