Tuff Country 16987 - GM 00-06 K2500 HD 2wd 6 kit User Manual
Tuff Country For the car
 
PART NUMBER : 16987 / WITH OUT SHOCKS 
PART NUMBER : 16988 / WITH SHOCKS 
2001—CURR. CHEVY HEAVY DUTY 2500 
6” SUSPENSION SYSTEM WITH FRONT SPINDLES 
 
Part 
#
Description
Qty.
16985-01
Passenger Side Spindle
1
16985-02
Driver Side Spindle
1
16985-04
6” One Piece Sub Frame
1
16985-08
Rear Cross Member Support Bracket
1
16985-09
Transfer Case Drop Shims
8
16985-10
Rear Carrier Bearing Drop Bracket
1
16985-11
Rear Lateral Compression Arm Bracket 2
16985-12
Lateral Compression Arms
2
C4I1SN-21
Torsion Bar Drop Brackets
2
BL402
Rear 4” Lifted Blocks
2
5U-9296S
5/8” x 2 3/4” x 13 5/8” Square U-bolts
4
58NW
5/8” U-bolt High Nuts & Washers
1
16985NB
Hardware
Box
1
16985SL
Sleeve & Poly Bag
1
16987INST Instruction
Sheet
1
SHOCKTIE
Shock
Ties 10
Special Note: Tuff Country EZ-Ride Suspension 
recommends the use of an 8” wheel once part # 
16987 & 16988 has been installed on a vehicle. 
 
Special Options: Tuff Country EZ-Ride Suspension 
offers a front brush plate. If you would like a new 
brush plate, please contact Tuff Country or your 
local Tuff Country dealer and order part # 90008. 
 
Congratulations on your selection to purchase a Tuff 
Country EZ-Ride Suspension System. We at Tuff 
Country are proud to offer a high quality product at the 
industries most competitive pricing. Thank you for your 
confidence in us, and our product. 
 
Before installation begins, it is the customers/installers 
responsibility to make sure that all parts are on hand. If 
any parts are missing, please feel free to call one of our 
customer service representative @ (800) 288-2190. 
 
Make sure to use locktite on all new and stock hardware 
associated with this installation. 
 
 
Tuff Country EZ-Ride Suspension highly 
recommends that a qualified and or certified 
mechanic performs this installation. 
 
If you desire to return your vehicle to stock, it is the 
customers responsibility to save all stock hardware. 
 
IMPORTANT CUSTOMER INFORMATION
This vehicles reaction and handling characteristics 
may differ from standard cars and/or trucks. 
Modifications to improve and/or enhance off road 
performance may raise the intended center of 
gravity. Extreme caution must be utilized when 
encountering driving conditions which may cause 
vehicle imbalance or loss of control. DRIVE SAFELY! 
Avoid abrupt maneuvers, such as sudden sharp 
turns which could cause a roll over, resulting in 
serious injury or death. 
 
It is the customers responsibility to make sure that a 
re-torque is performed on all hardware associated 
with this suspension system after the first 100 miles 
of installation. It is also the customers responsibility 
to do a complete re-torque after every 3000 miles or 
after every off road use. 
 
After the original installation, Tuff Country EZ-Ride 
Suspension also recommends having the alignment 
check every 6 months to ensure proper tracking, 
proper wear on tires and front end components. Tuff 
Country EZ-Ride Suspension take no responsibility 
for abuse, improper installation or improper 
suspension maintenance. 
 
It is the responsibility of the customer or the 
mechanic to wear safety glasses at all times when 
performing this installation. 
 
It is the customers/installers responsibility to read 
and understand all steps before installation begins. 
OEM manual should be used as a reference guide. 
 
The Tuff Country EZ-Ride Suspension product safety 
label that is included in your kit box must be 
installed inside the cab in plain view of all 
occupants. 
 
It is the responsibility of the installers to make sure 
that the rear view mirror hanger is hung from the 
rear view mirror. The rear view mirror hanger has 
instructions on proper post installation procedure. 
INSTALLATION MANUAL
6” I.F.S. SUSPENSION 2001 - CURR.
CHEVY HEAVY DUTY 2500 2WD
PART # 16987 / WITH OUT SHOCKS
PART # 16988 / WITH SHOCKS
SJ031502