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The SPC adjustable upper control arm for 1964–1972 GM A-body front applications includes a flat midsize ball joint plate, adjustable sleeves and OE-style pivots that minimize deflection. It provides a direct-fit upgrade for A-body restorations and performance reworks where the ability to fine-tune alignment geometry is required without extensive chassis modification.
SPC Performance 64-72 GM A Body Front Adjustable Upper Control Arm
