Whiteline Caster Correction Fixed Offset Front UCA SetA short fall of the modern day IFS 4wd is the adjustment range provided for successful wheel alignments, this becomes even more of an issue when the vehicle is lifted by more than 1 inch. Not only does the vehicle run into camber and caster issues, but ball joint articulation and clearance issues to the coil over strut at ride and droop height. The new Whiteline offset UCA (Upper Control Arm) is an all in one solution for any vehicle that has been