Tuff Country 16958 - GM 01-06 K1500 HD 4WD 6 kit User Manual
Page 9
 
71. Locate the new front shocks. Special note: New 
longer front shocks are needed, if you have not 
already ordered shocks, please contact Tuff Country 
or your local Tuff Country dealer and order the 
proper shocks. Tuff Country recommends using a 
23” fully extended nitrogen gas shock. Locate (2) 
S10073 from hardware bag 16985SL. Also, locate (4) 
PB8297 upper shock bushings and (4) S10107 upper 
shock washers from hardware bag 16985PL. Working on 
the new shocks, install the new lower shock bushing into 
the lower eyelet and install the new S10073 shock 
sleeves into the previously installed bushings. Special 
note: Make sure to use a lithium or moly base grease 
prior to inserting the new lower shock bushings and 
sleeves into the new lower shock eyelet. This will 
increase the life of the bushing as well as prevent 
squeaking. Working on the driver side, install the new 
shock into the stock location using the stock hardware on 
the bottom mount that was removed in step # 4 and the 
new hardware on the top mount. Repeat procedure on 
the passenger side. Special note: Make sure to use the 
new upper bushings and upper shock washers. 
Torque the lower shock mount to 65 ft lbs. and the upper 
hardware to 22 ft lbs. Repeat on passenger side. 
Special note: Tuff Country EZ-Ride Suspension 
highly recommends that the shocks are installed with 
shock boots. If shock boots are not installed, 
damaged my occur to the piston of the new shock. 
 
72. Locate the stock front drive line and hardware that 
was removed from step # 3. Re-install the stock drive line 
back into the stock location and secure using the stock 
hardware. 
 
73. Locate the stock skid plate that was removed in step 
# 3. Referring to photo # 18, measure 2 5/8” from the 
leading edge of the stock skid plate and scribe a mark. 
Carefully cut along the scribed mark. 
Photo # 16 / 2 5/8” measurement
Photo # 17 / post cut view
 
74. Locate the (3) stock upper skid plate mounting 
hardware that we removed in step # 3. Install the newly 
modified skid upper skid plate to the stock upper location 
using the stock hardware. Special note: Make sure to 
use thread locker or lock tite and torque to 28 ft lbs. 
 
75. Holding the stock skid plate to the front cross 
member, carefully drill a 3/16” hole through the stock skid 
plate and the stock front cross member. 
Photo # 18
 
76. Locate (1) 1/4” x 1” self threading bolt from hardware 
bag 14985NB. Secure the stock skid plate to the stock 
cross member using the new 1/4” x 1” self threading bolt. 
Photo # 19
 
77. Locate (2) front lateral compression arms. Locate (8) 
PB2408 poly bushings from hardware bag 16985PL. 
Also, locate (4) S10058 crush sleeves from hardware bag 
of vice grips and secure the new torsion bar drop bracket 
to the stock frame rail. Using the new torsion bar cross 
member relocation bracket as a guide, carefully drill (4) 
7/16” holes into the stock frame. (2) on the side of the 
frame rail and (2) on the bottom. Take special care not 
to drill into any stock hoses and/or lines running 
down the  inside of the stock frame rail. Remove the 
pair of vice grips that is holding the new torsion bar cross 
member relocation bracket to the frame rail. Repeat 
procedure on the passenger side of the vehicle. 
 
66. Locate (8) 7/16” x 1 1/2” bolts, (16) 3/8” USS flat 
washers and (8) 7/16” unitorque nuts from hardware bag 
16985NB2. Working on the driver side, secure the new 
driver side torsion bar cross member relocation bracket 
to the stock frame rail using the new 7/16” x 1 1/2” bolt 
and hardware. Make sure to use thread locker or lock 
tite. Torque to 76 ft lbs. Repeat procedure on the 
passenger side. 
Photo # 15
67. Locate the stock torsion bars that were removed from 
step # 9. Refer to the marks that were made in step # 7. 
This will allow you to re-install the stock torsion bars back 
into the stock location. Example: Driver vs. Passenger 
and Front vs. Rear. Working on the driver side, slide the 
stock torsion bar back into the stock rear lower control 
arm. Slide the stock torsion bar far enough forward so 
that the stock torsion bar cross member can be re-
installed. Repeat procedure on the passenger side. 
 
68. Locate the stock torsion bar cross member and stock 
hardware that was removed from step # 8. Install the 
stock torsion bar cross member to the newly installed 
torsion bar cross member relocation brackets and secure 
using the stock hardware. Make sure to use thread 
locker or lock tite. Torque to 90 ft lbs. 
 
69. Locate the stock torsion bar keys that were removed 
from step # 7. Working on the driver side, install the stock 
torsion bar key back into the stock location in the stock 
torsion bar cross member. Slide the stock torsion bar 
back into the previously installed torsion bar key. Repeat 
procedure on the passenger side. 
 
70. Locate the torsion bar adjusting blocks and hardware 
that was removed from step # 6. Working on the driver 
side, attach the torsion bar removing tool to the stock 
torsion bar cross member, making sure that the 
unloading bolt in the center of the torsion bar removing 
tool is in the small divot of the stock torsion bar key. 
Adjust the torsion bar key up high enough so that the 
stock small metal adjusting block and bolt can be re-
installed back into the stock location. Refer back to the 
measurements that were made in step # 5, and set to the 
torsion bar adjusting bolt to the stock setting. Repeat 
procedure on the passenger side. Carefully remove the 
torsion bar removing tool from the stock torsion bar cross 
member.