Joints Only: this part number is only for a pair of ICON Delta Joints, and upper control arms are not included. These Delta Joints will fit as replacements for 1" uniballs found on many F150 aftermarket upper control arms. This version of the Delta Joint Retrofit kit can be used to replace uniball part numbers WSSX16, AWX16, WC16, WE16, WSSB16, WR16, and ABW16 or uniballs with a 2.125" outside diameter and 1" height. A version of this kit specifically for ICON UCAs is here.