UMI Performance offers one of the only on-car adjustable control arms for the rear of the GM B-Body vehicle. This rear upper control arm for the 65-66 GM B-Body is an excellent solution when looking to replace the worn out factory set-up. Our rear upper control arms are a direct replacement for the factory arms and are designed to minimize wheel hop, improve cornering and help track consistency. This control arm is on-car adjustable and allows easy pinion angle adjustments.

UMI Performance 236-3657-B Upper Control Arms Features:

• Fits: 1965-1966 GM B-Body Adjustable Upper Control/Trailing Arm
• Material: Steel
• Finish: Black Powdercoated
• Color: Black
• Construction: Tubular
• Adjustable: No
• Bushing Material: Polyurethane
• Bushings Included: Yes
• Pre-Greased: No
• Grease Fittings Included: Yes
• Hardware Included: No
• Grade: Performance