Bolts onto a TJ, and it is my understanding that it will fit a YJ, but with some drilling.
University of Louisville Speed School of Engineering Student (Mechanical Engineering)
2003 Bright Silver Metallic TJ
4" Clayton 1" MORE BL
D44 chromoed with detroit and D30 Chromoed with lockright; 4.88s
custom belly up
36"TSL bias (trail) 35" Pro comp AT's (street)