• Arms eliminate factory upper ball joint w/ super strong 1" ID Stainless Steel American Uniball for increased suspension strength
• Additional 1 degree of caster is built into Arms for enhanced align ability with oversized tires
• 1.50" OD .120" wall 4130 Chromoly tubing reduces flex found in stock arms for more positive road feel
• 17-4 Stainless Steel Heat treated Uniball pin fits into factory ball joint taper without modification to the spindle for easy return to stock feature

The serious offroader will appreciate the Fabtech direct replacement Upper Control Arms that will provide additional strength and reliability for aggressive offroad driving in your Chevy Silverado, GMC Sierra. These replace the factory upper ball joints with 1" ID Stainless American Uniball. Additional caster is built into the arms for greater alignment capabilities to help with leveling kit alignment problems. When used with Dirt Logic 2.5 Coilover shocks, wheel travel is increased.