Increase stiffness and reinforce the torque boxed in your 1979-2004 Mustang with Torque Box Reinforcement Braces from BMR Suspension. The Fox-chassis Mustangs we not known for being super strong. When large amounts of torque are applied to the Fox chassis, the factory torque boxes are known to crack and rip. This causes all kinds of rearend alignment issues, poor performance, and unsafe driving conditions. Designed from CNC-laser cut, CNC-formed steel plate and DOM steel tubing, BMR?s Torque Box Reinforcement Braces are designed to bolt into the ?79-?04 Mustang chassis, adding strength to the upper and lower control arm mounts. This means you can put as much power and torque to the wheels as possible, without fear of damaging this critical area of the chassis.. Fits 1979-2004 Mustang ;Reduces upper and lower control arm mount deflection;Bolt-in design;Increases the amount of horsepower and torque that can safely be applied to the chassis;CNC-laser cut, CNC-formed, MIG welded steel plate and DOM steel tubing for precise fit;Includes all needed hardware ;Durable powdercoat finish;Proudly made in the U.S.A.. This kit includes the tubular braces and hardware to reinforce the upper control arm mounts, and the plate style lower control arm mounts.. BMR 79-04 Fox Mustang Torque Box Reinforcement Plate Kit(TBR005H And TBR003H) - Black Hammertone. Torque Box Reinforcement Plate Kit (TBR005 And TBR003). Chassis Frame Reinforcement. BMR Suspension - TBR004H. Reinforcement Kit

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