If you have the upper anchor bolts .. it just might be THE EASIEST part install ever.

#1 - DONT EVEN REMOVE THE WHEEL!
#2 - Jack up the vehicle to just before the wheel is off the ground.
#3 - Unbolt the two nuts above the upper control arm anchor bolts.
#4 - Hit the top of the anchor bolts gently with a rubber mallet.
#5 - Spin the upper control arm around and rest it on the tire.
#6 - Loosen the two nuts on each anchor bolt to control arm
#7 - Replace the OEM anchor bolt with the new one.
- - - note: mae sure the bolt and nut go on the same side they came out. There is a safety reason for this and the bolt wont come completely out if the nut loosens. ALSO .. VERY IMPORTANT TO TORQUE THEM TO ONLY OEM SPECS! Do not just go what you feel is 'tight enough' or 'over tight'.
#8 - Spin the arm back around and stick the new anchor bolts thro the frame.
#9 - Install the achnor bolt nuts.

DONE. Its prob. best to just set the camber to its highest or lowest setting depending on which kit you have.. You can do this before you install it or after.

I recommend INGALLS as the SPC and others has a circular adjustment that #1 requires a special THIN wrench of a odd size. #2 when you adjust camber it also changes toe and caster .. (very confusing)