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The UMI upper control‑arm reinforcement for 1979–2004 Mustangs strengthens commonly weakened upper rear control‑arm mounting points to prevent cracks and irreversible chassis damage under high torque or track use. Designed for vehicles running aftermarket control arms, polyurethane bushings, or spherical rod‑end mounts, the kit provides durable reinforcement where upper mounts commonly fail.
UMI Performance 79-04 Ford Mustang Upper Control Arm Reinforcement
