Rough Country 790 - Manual (Page 6)

31. Adjust the supplied front lower control arms to the length of 34 3/4” center to center. Install the flex joint end of the
lower control arm to the crossmember using the supplied 9/16” x 4” long bolts, nuts, and washers from 1787bag3.
See Photo 16. Tighten with a 21mm socket and a 22mm wrench. Use a adjustable wrench to tighten the jam nut.
32. Insert the rubber bushing end of the lower control arm to the factory axle mount, use factory hardware and tighten
with a 21mm socket and wrench.
33. Adjust the supplied upper control arm to the lenth of 17 1/4” center to center. Install the flex joint end of the upper
control arm to the bracket on the lower control arm using the supplied 10mm x 80mm long bolts, washers, and nuts.
Tighten with a 5/8 socket and a 11/16 wrench. See Photo 17.
34. Install the bracket end of the upper control arm to the factory axle mount using factory hardware. Tighten using a
18mm socket and wrench.
35. Repeat steps 31-34 on the driver side.
36. Place the supplied 2” bump stop in place on the lower coil seat as shown in Photo 18. Mark & drill using a 3/8” drill
bit. See Photo 19.
37. Be sure the factory rubber isolators are in place and install the front coil springs with the 2” bump stop pucks as
shown in Photo 20. Insert the coil into the upper tower first, followed by the lower seat.
38. Secure the bump stop to the drilled hole in the lower seat using the supplied 3/8” x 3” bolts, washers and nuts.
Tighten using a 9/16” wrench. See Photo 21.
39. Install the shock absorber # 660585. Assemble the cup washer and stem bushing on the stem end of the shock and
insert in the upper shock tower. Tighten using a 9/16” wrench. Insert lower mount to axle using factory hardware.
PHOTO 20
PHOTO 17 PHOTO 16
PHOTO 21
PHOTO 18 PHOTO 19