A-arm Kit (AA016, AA017)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 (AA033) includes both Lower (AA016) and Upper (AA017) A arms and are designed for street performance, drag racing, and handling applications. When performance is a must, rely on BMR Suspension!