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SPC Performance adjustable upper control arms and caster rods update 1967–1973 Ford and Mercury front suspensions. Sold as a pair, the arms add built-in +3.00° of caster for improved return-to-center with modern radial tires and use 'Shelby Drop' geometry in a billet aluminum cross shaft to optimize camber curve. Maintenance-free xAxis™ Sealed Flex Joints, stock-style ball joints and included shims allow precise camber and caster tuning and compatibility with OE springs or coilovers.
SPC Performance 67-73 Ford Mustang 1st Gen Adjustable Upper Control Arm & Caster Rod
