The UMI lower control‑arm reinforcement for 1979–2004 Mustangs addresses cracked torque boxes at the front lower control‑arm mount. Intended for weld‑ or bolt‑in installation, the kit includes hardware and instructions, fixes torn mounting points, and reinforces intact areas when using aftermarket control arms, polyurethane bushings, or lift bars to prevent future structural failures.
UMI Performance 79-04 Ford Mustang Lower Control Arm Reinforcement