Rough Country PERF663 - Manual (Page 8)

31. Adjust the lower front arm to a length of 29 3/4” from center of end to center of bushing. Tighten jam nut using an
adjustable wrench.
32. Install the new front lower control arm in the new mount with the supplied 9/16” x 4” bolts, washers / nuts making
sure the joint is centered. Do not tighten at this time. See Photo 16.
33. Install the lower control arm on the axle with the factory hardware. See Photo 17. Do not tighten at this time.
34. Assemble the front upper control arm and adjust to a length of 15 1/4” from center of hole to center of bushing.
Install on the new lower control arm with the supplied 10mm x 80mm bolt, washers / nuts. See Photo 18. Do not
tighten at this time. Tighten jam nut using an adjustable wrench.
35. Install the new upper arm to the axle using the supplied 10mm x 80mm bolt, washers & nuts. Do not tighten at
this time. See Photo 19. If installing on a vehicle equipped with a Dana 44 front axle, be sure to install the
arm on the drivers side with the cut out over the differential to allow clearance. See Photo 19.
36. Drill the lower coil mount as shown in Photo 20using a 11/32 drill bit.
37. Slide the bump stop extension in the new coil as shown in Photo 21 with the supplied 3/8” x 3 1/2” self taping bolt
and install the coil spring in the factory location, making sure the coil is fully seated in the lower mount.
PHOTO 16 PHOTO 17
Install the lower control arms with 9/16” x 4” bolts Install the lower arm to axle with stock hardware
PHOTO 20 PHOTO 21
PHOTO 18 PHOTO 19
Install the upper arm to lower using 10MM X 80MM bolts Install upper arm to axle with 10mm x 80mm bolts
Drill the fr lower mount using a 11/32” drill bit Put spacer and bolt in coil
Cut out on driver side