hendrix on stock frame if i remember right
edit: here it is
0.3 Frame
0.3a The frame can be stripped of all cab mounts and brackets but must have a minimum of 3 cross members including one in the very front and one in the very rear.
0.3b The frame length can be shortened in the rear only. The total frame length must not be less than the length of the chassis. 0.3c Frame notching is permitted for shock clearance in the rear, steering arm clearance in the front, and seat clearance below
drivers and passengers seat. A minimum of one of the 4 sides of the frame rail must remain intact.
0.3d Angled or tapered cross members front and rear are legal, frame rails themselves must remain full dimension.
0.3e Frame must be Toyota Pickup or 4Runner frame, 2wd or 4wd