Connect 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 to provide maximum strength without adding unnecessary bulk.BMR has designed the STB412 for all performance applications. This two-point design improves handling by solidly linking the rear shock towers, adding strength to the entire rear chassis and suspension. BMRs STB412 Shock Tower Brace includes all grade 8 hardware needed for installation and is 100% bolt-in, meaning they can be easily installed with simple hand tools with no welding or cutting required. When performance is a must, rely on BMR's suspension!BMR's suspensions STB412 Rear Strut Tower Brace is available in black hammertone and red powdercoat for long-lasting good looks. Installation time is about 1 hour. Proudly built in America with American steel!