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UMI adjustable rear upper control arms with Roto-Joint for 1964–1967 A-Body cars provide on-car length adjustment and a precision spherical joint to reduce deflection and improve handling. Constructed with CrMo threaded adapters, CNC laser-cut mounting pads and robust welds, these bolt-in arms allow easy pinion angle tuning and are suitable for street, strip, or corner-carving applications while remaining durable and serviceable.
UMI Performance 64-67 A-Body Adjustable Upper Control Arms- w/ Roto-Joint
