Yea I cut that front part too on mine , which is how Slee has you cut them, I just pulled the plates and put new arms back in original holes and have had no issues or cracking or loosening, it has worked for me and I know other people
Yup I agree with Phil from the looks of your pics you will not have enough clearance once you get into bigger lift heights at 4 inches you are prob gonna rub the arms on the tie rod bar. I run the Slee arms on j springs and now have massive clearance between the arms and tie rod where when I ran...