Rugged Ridge 6-Piece Body Armor Kit, 97-06 Jeep Wrangler (TJ) - Manual (Page 9)

Step 19: Snap screw clips into the three tabs located under the rocker panels of
the vehicle.
Step 20: Position armor onto lower side rocker panels. Make sure that it is
evenly spaced before applying any pressure to armor. When satisfied with
placement apply pressure to all areas to properly secure armor to vehicle.
Secure bottom of rocker guards with hardware supplied.
Part Number 11650.15 (Rear Tailgate Sill)
Step 21: Remove lower tire bump stop if so equipped.