Tuff Country 16731 - GM 88-91 1/2 ton Blazer / Sub 6 box kit (systems with rear springs) - Manual

PART NUMBER : 16731
1988 — 1991 CHEVY/GMC BLAZER & SUBURBAN
1/2 TON 6” SUSPENSION SYSTEM
FRONT AND REAR SPRING SUSPENSION SYSTEM
PARTS LIST:
Part
# Description Qty.
5U-6109R 5/8” X 3 1/2” X 9 5/8” Round U-bolts 1
5U-3507R 5/8” X 3” X 7 5/8” Round U-bolts 7
58NW 5/8” High Nuts & Washers 2
MO2360 Front Spring Eye Bushings 4
S10006 Front Spring Eye Sleeves 2
GMSBNB2 Front Spring Eye Bolts 1
GMSBNB3 Rear Spring Eye Bolts 1
GMBLNB Front & Rear Brake Line
Extensions & Hardware 1
89TC Transfer Case Drop Kit 1
GMSB Sway Bar Drop Kit 1
LUBE Lube Pack 2
16731INST Instruction Sheet 1
INSTALLATION MANUAL
6” FRONT AND REAR SPRING
SUSPENSION SYSTEM
CHEVY/GMC BLZR/SUBURBAN 1/2 TON
1988 —– 1991
PART # 16731
SJ052302
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.
Torque Settings
5/16” 15—18 ft lbs.
3/8” 28—32 ft lbs.
7/16” 30—35 ft lbs.
1/2” 65—85 ft lbs.
9/16” 85—120 ft lbs.
5/8” 95—130 ft lbs.
3/4” 100—140 ft lbs.
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 500 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.
If a body lift is used in conjunction with any Tuff
Country EZ-Ride Suspension product, your Tuff
Country EZ-Ride Suspension WARRANTY WILL BE
VOID.