• Improved strength with fully welded plate steel construction
• CNC machined ball joint cup with improved positioning ideal for use with leveling/lift kits
• High quality greaseable ball joints with a protective cap to keep out dirt/debris
• OE style rubber bushings for durability and maintenance-free operation
• Fully assembled and ready to install

For significant suspension travel and ride quality improvement for your Chevy Silverado or GMC Sierra, replace your stock upper control arms with the Zone upper control arms. These replacement boxed heavy duty control arms will dwarf the strength of the factory arms. Fully welded 1/8" steel plate is used in the Chevy Silverado and GMC Sierra control arms' construction. More droop travel is allowed by repositioning the relationship between the arm and the factory droop limiter at the frame. This also results in a more neutral upper ball joint operating angle for trucks with either leveling or lift kits.

Note – Wheel spec recommendations for proper tire clearance at ball joint - 20x9 w/ max 6" BS

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