Improve performance and eliminate A-arm deflection on your 1964-1972 A-Body with an A-arm Kit from BMR Suspension! Factory A-arms and bushings can cause deflection, resulting in changes in alignment and reduced performance on the track and street. BMRs A-arm Kit (AAK401) includes both Upper (AAU401) and Lower (AAL401) A-arms and are designed for street performance, drag racing, and handling applications. When performance is a must, rely on BMR Suspension!