The serious offroader will appreciate the Fabtech replacement Upper Control Arms that will provide additional strength and reliability for aggressive offroad driving with your Ford F150. These replace the factory upper ball joints with Uniballs. Included are the arms, uniballs, pins and misalignments. These control arms can be used to directly replace the stock control arms and will work with most aftermarket suspension systems from 4" to 6" that retain the stock control arms.Kit ComponentsControl ArmsHardwareKit FeaturesArms replace factory ball joint UCA w/ super strong 1" ID Stainless Steel American Uniball for increased suspension strengthAdditional caster is built in for enhanced performance with oversized tires1.25" OD x .120" wall 4130 Chromoly tubing reduces flex found in the stock arms for more positive road feel17-4 Heat treated Uniball pin fits into factory ball joint taper with no modification to the spindle for easy return to stock feature17-4 Stainless steel misalignments for proper clearance of large Uniballs thru the travel rangeBillet Uniball cap keeps out dirt and debris.250" wall DOM bushing barrels with welded gussets for strength