BMR 67-69 1st Gen F-Body Non-Adj. Upper A-Arms (Polyurethane) - RedThe polyurethane bushings add strength and reduce deflection over the stock rubber bushing, while still absorbing much of the NVH. The means you get a great blend of performance and comfort. Designed for street performance, drag race, and handling, and pro touring applications, BMR upper A arms are engineered to provide 2 additional degrees of positive caster for increased high speed stability. Combine with BMR Lower A arms, and you get 4 additional