UMI Performance 78-96 GM B-Body Boxed Lower Control Arms- Poly/Roto-Joint

UMI's boxed lower control arms utilize Roto-Joint technology for a bind-free performance and comfortable ride quality. The control arms are fabricated from 0.120” wall thickness rectangular tubing, with CNC machined bushing holders and MIG welded end caps for durability. The sway bar provisions are reinforced with a steel sleeve for added strength. The delrin lined Roto-Joints eliminate flex and deflection for improved traction and reduced wheel hop. The Roto-Joint design offers 28 degrees of total movement, allowing for smooth operation and precision handling. The delrin race absorbs shock and road noise for a quiet ride. This control arm set features polyurethane bushings on one end and UMI’s swivel Roto-Joint on the other, making it ideal for street performance. The Roto-Joint technology allows for unrestricted movement throughout the suspension, preventing bind and improving traction. The durable construction of the Roto-Joint ensures wear resistance and longevity. The UMI Roto-Joint is adjustable and rebuildable for long-term use. To adjust and disassemble the Roto-Joint, a spanner wrench is included for maintenance purposes.

• Roto-Joint allows 28 degrees of total rotation and unrestricted movement
• Roto-Joint features 4140 chrome moly, hard chrome plated spherical ball
• 3” x 1-1/2” x 1/8” rectangular steel tubing construction
• Spanner wrench for adjusting and disassembling Roto-Joints
• Delrin bushing material for high resistance against wear
• High Quality greaseable polyurethane bushings
• Shipped fully assembled and ready to install
• MIG and TIG welded for superior strength
• CNC machined for accurate tolerances
• Spherical Roto-Joints installed
• Durable powder coat finish
• Reinforced sway bar holes
• Uses OEM hardware
• 100% rebuildable

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