Bushing Kit, Front Upper and Lower Control Arms, DelrinImprove suspension control and add cornering consistency to your 1997 2004 and 2005 2013 Corvette with a Front Control Arm Bushing Kit from BMR Suspension! OE bushings are designed from soft rubber that deflects during normal and aggressive maneuvering. BMRs Front Upper and Lower Control Arm Bushing Kit (CBK551) increases stability and is designed for street performance, drag racing, and handling applications. When performance is a must, rely on BMR