UMI Performance offers on-car adjustable rear control arms for GM B-Body vehicles. These direct replacements for factory arms reduce wheel hop, improve cornering, and enhance track consistency. The adjustable design allows pinion angle adjustments without removal. Features include grease-able bushings, TIG welded construction, and a 4140 heat-treated Chrome-Moly adjuster. Also known as "Banana Arms." Verify the number needed for your vehicle.

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