Upper Control Arm

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.

Additional Information

UMI’s on-car adjustable rear control arms for GM B-Body improve handling, reduce wheel hop, and enhance track consistency. They feature greaseable bushings, TIG welded construction, and a 4140 Chrome-Moly adjuster.

• 4140 Chrome-Moly Tube Adaptors
• Durable Powder Coat Finish
• Grease-able High Quality Polyurethane Bushings
• On-car adjustability with 4140 Heat Treated Adjuster
• TIG Welded Construction

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Product Downloads

#	Document Type	Download
1.	Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Reference Information