BMR 64-67 A-Body Non-Adj. Rear Suspension Kit - RedFits 1964 1967 GM A bodies; Non adjustable design; 95 durometer internally fluted polyurethane greasable bushings; Zinc coated inner sleeves; DOM steel tubing; 1. 625 inch diameter, 0. 120 inch wall tubing upper control arms; 1. 5x3 inch, 0. 120 inch wall rectangular tubing lower control arms; Dramatically reduces control arm flex; Greatly reduces bushing deflection; Improved Performance with acceptable NVH levels; Designed for street performance,