BMR 64-72 A-Body Rear Pro-Touring Style Hollow 1.125in Sway Bar Kit - Black HammertoneSway bars do a great job of controlling body roll on the street, but are usually not recommended for high horsepower cars on the road course or autocross. BMR Suspensions Pro Touring Sway Bar for 1964 1972 GM A Body allows you to drive harder without excessive body roll limiting handling. Manufactured from heavy wall 1. 125 inch DOM tubing, BMRs Pro Touring Sway Bar (SB035) is designed to eliminate body roll and keep the body as flat as possible in