BMR 68-72 A-Body Shock Tower Brace Rear Black HammertoneConnect the rear upper shock mounts and reinforce the chassis on your 1964 1972 A Body with a rear shock tower brace from BMR's suspension. BMRs Rear Strut Tower Brace (STB412) firms up the A Body chassis by adding loads of strength and support to the factory rear frame that tends to flex, even with mild amounts of torque and horsepower. The BMR Rear Strut Tower Brace is constructed from lightweight DOM steel tubing and laser cut 3 l6 inch steel plate