The UMI lower control‑arm reinforcement kit for 1979–1993 Ford Mustang strengthens torque‑box mounting points prone to cracking under heavy use. Essential when running aftermarket control arms, polyurethane bushings, or UMI lift bars, the kit includes hardware and instructions, installs in roughly 2–2½ hours as a weld‑ or bolt‑in repair, and is supplied in bare metal ready for welding and paint.
UMI Performance 79-93 Ford Mustang Lower Control Arm Reinforcements