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Featured GMC Truck Lift Kits

1969-1987 Straight Axle

Tuff Country’s straight axle suspension lift kits for the 1969 thru 1987 GMC trucks feature the exclusive EZ-Ride leaf springs. All springs are tapered, snub rolled and pre-set for the most comfortable ride available in a lifted positive arch leaf spring. To reduce squeaking and improve ride characteristics, teflon inserts are also used between each leaf. Available in sizes ranging from 2 inches up to 6 inches of lift. Kits can be purchased with rear leaf springs or rear axle blocks.

16711-tuff

  • Featuring EZ-Ride Technology for the best ride
  • Replace tired front and rear springs with EZ-Ride leaf springs
  • Available with rear springs or rear cast iron blocks
  • Teflon pads used in leaf springs to eliminate squeaking
  • Leaf springs are tapered, snub rolled and pre-set
  • Limited lifetime warranty on leaf springs
  • Made in the USA

 

Featured GMC Truck Lift Kit

1988-1998 Chevy Truck 4″ Lift Kit

Tuff Country EZ-Ride Suspension’s IFS lift kits for GMC 1500 truck allows up to 33″ tires and more fender clearance. This lift kit is built around a 1 piece sub-frame and heavy duty steering knuckles for strength and durability. These suspension kits maintain a factory ride and install without special tools.

14810-tuff

Fits Years: 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998

  • Allows use of up to 33″ tires
  • 1 piece subframe for strength and durability
  • Powder coated brackets
  • Maintains a factory ride
  • Heavy Duty replacement steering knuckles
  • Limited Lifetime Warranty
  • Made in the USA

Vehicle Applications

Model Years Size W/O
Shocks
W/SX6000
Shocks
W/SX8000
Shocks
GMC Truck 1500 4wd 1998-1998 2″ 12933 12933KH 12933KN
Instruction Manual: #12933 Instructions
Average Install Time: 4 to 6 Hours
Recommended Tire Size: N/A
Rim Backspacing: Standard
Install Notes: New shocks are optional, not required
GMC Truck 1500/2500 (6 lug only)

with steering knuckles
1988-1998 4″ 14810 14810KH 14810KN
Instruction Manual: #14810 Instructions
Average Install Time: 10 to 12 Hours
Recommended Tire Size: 33″ x 12.5″
Rim Backspacing: Standard
Install Notes: New shocks are required. Factory rims will not fit with this lift kit. Rims with 4.5″ back spacing or less are required.
GMC Truck 1500/2500 (6 lug only) 1988-1998 6″ 16813 16813KH 16813KN
Instruction Manual: #16813 Instructions
Average Install Time: 10 to 12 Hours
Recommended Tire Size: 35″ x 12.5″
Rim Backspacing: 4.5″ or less
Install Notes: New shocks are required.
GMC Truck 2500/3500 4wd (8 lug) 1998-1998 2″ 12921 12921KH 12921KN
Instruction Manual: #12921 Instructions
Average Install Time: 4 to 6 Hours
Recommended Tire Size: N/A
Rim Backspacing: Standard
Install Notes: New shocks are optional, not required
GMC Truck 2500/3500 (8 lug only) 1988-1998 4″ 14823 14823KH 14823KN
Instruction Manual: #14823 Instructions
Average Install Time: 10 to 12 Hours
Recommended Tire Size: 33″ x 12.5″
Rim Backspacing: Standard
Install Notes: New shocks are required. Factory rims will not fit with this lift kit. Rims with 4.5″ back spacing or less are required.
GMC Truck 2500/3500 (8 lug only) 1988-1998 6″ 16823 16823KH 16823KN
Instruction Manual: #16823 Instructions
Average Install Time: 10 to 12 Hours
Recommended Tire Size: 35″ x 12.5″
Rim Backspacing: 4.5″ or less
Install Notes: New shocks are required.
GMC 1/2 ton Truck

EZ-Ride with rear lift blocks
1973-1987 2″ 12710K 12710KH 12710KN
Instruction Manual: #12710 Instructions
Average Install Time: 4 to 6 Hours
Recommended Tire Size: 32″ x 10.5″
Rim Backspacing: Standard
Install Notes: New shocks are required
GMC 1/2 ton Truck

EZ-Ride with rear 52″ leaf springs
1973-1987 2″ 12711K 12711KH 12711KN
Instruction Manual: #12711 Instructions
Average Install Time: 4 to 6 Hours
Recommended Tire Size: 32″ x 10.5″
Rim Backspacing: Standard
Install Notes: New shocks are required
GMC 1/2 ton Truck

Heavy Duty with rear lift blocks
1973-1987 2″ 12712K 12712KH 12712KN
Instruction Manual: #12712 Instructions
Average Install Time: 6 to 8 Hours
Recommended Tire Size: 32″ x 10.5″
Rim Backspacing: Standard
Install Notes: New shocks are required
GMC 1/2 ton Truck

Heavy Duty with 52″ rear leaf springs
1973-1987 2″ 12713K 12713KH 12713KN
Instruction Manual: #12713 Instructions
Average Install Time: 6 to 8 Hours
Recommended Tire Size: 32″ x 10.5″
Rim Backspacing: Standard
Install Notes: New shocks are required
GMC 1/2 ton Truck

EZ-Ride with rear lift blocks
1973-1987 3″ 13710K 13710KH 13710KN
Instruction Manual: #13710 Instructions
Average Install Time: 4 to 6 Hours
Recommended Tire Size: 32″ x 12.5″
Rim Backspacing: Standard
Install Notes: New shocks are required
GMC 1/2 ton Truck

EZ-Ride with rear leaf springs
1973-1987 3″ 13711K 13711KH 13711KN
Instruction Manual: #13711 Instructions
Average Install Time: 4 to 6 Hours
Recommended Tire Size: 33″ x 12.5″
Rim Backspacing: Standard
Install Notes: New shocks are required
GMC 1/2 ton Truck

EZ-Ride with rear lift blocks
1973-1987 4″ 14710K 14710KH 14710KN
Instruction Manual: #14710 Instructions
Average Install Time: 4 to 6 Hours
Recommended Tire Size: 33″ x 12.5″
Rim Backspacing: Standard
Install Notes: New shocks are required
GMC 1/2 ton Truck

EZ-Ride with rear leaf springs
1973-1987 4″ 14711K 14711KH 14711KN
Instruction Manual: #14711 Instructions
Average Install Time: 4 to 6 Hours
Recommended Tire Size: 33″ x 12.5″
Rim Backspacing: Standard
Install Notes: New shocks are required
GMC 1/2 ton Truck

Heavy Duty with rear lift blocks
1973-1987 4″ 14712K 14712KH 14712KN
Instruction Manual: #14712 Instructions
Average Install Time: 6 to 8 Hours
Recommended Tire Size: 33″ x 12.5″
Rim Backspacing: Standard
Install Notes: New shocks are required
GMC 1/2 ton Truck

Heavy Duty with rear leaf springs
1973-1987 4″ 14713K 14713KH 14713KN
Instruction Manual: #14713 Instructions
Average Install Time: 6 to 8 Hours
Recommended Tire Size: 32″ x 12.5″
Rim Backspacing: Standard
Install Notes: New shocks are required
GMC 1/2 ton Truck

EZ-Ride with rear blocks & add-a-leafs
1973-1987 6″ 16710K 16710KH 16710KN
Instruction Manual: #16710 Instructions
Average Install Time: 6 to 8 Hours
Recommended Tire Size: 35″ x 12.5″
Rim Backspacing: Standard
Install Notes: New shocks are required.  Includes drop steering arm.
GMC 1/2 ton Truck

EZ-Ride with rear leaf springs
1973-1987 6″ 16711K 16711KH 16711KN
Instruction Manual: #16711 Instructions
Average Install Time: 6 to 8 Hours
Recommended Tire Size: 35″ x 12.5″
Rim Backspacing: Standard
Install Notes: New shocks are required.  Includes drop steering arm.
GMC 3/4 ton Truck

EZ-Ride with rear lift blocks
1973-1987 2″ 12720K 12720KH 12720KN
Instruction Manual: #12720 Instructions
Average Install Time: 4 to 6 Hours
Recommended Tire Size: 32″ x 10.5″
Rim Backspacing: Standard
Install Notes: New shocks are required
GMC 3/4 ton Truck

EZ-Ride with rear 52″ leaf springs
1973-1987 2″ 12721K 12721KH 12721KN
Instruction Manual: #12721 Instructions
Average Install Time: 4 to 6 Hours
Recommended Tire Size: 32″ x 10.5″
Rim Backspacing: Standard
Install Notes: New shocks are required
GMC 3/4 ton Truck

Heavy Duty with rear lift blocks
1973-1987 2″ 12722K 12722KH 12722KN
Instruction Manual: #12722 Instructions
Average Install Time: 6 to 8 Hours
Recommended Tire Size: 32″ x 10.5″
Rim Backspacing: Standard
Install Notes: New shocks are required
GMC 3/4 ton Truck

Heavy Duty with rear 52″ leaf springs
1973-1987 2″ 12723K 12723KH 12723KN
Instruction Manual: #12723 Instructions
Average Install Time: 6 to 8 Hours
Recommended Tire Size: 32″ x 10.5″
Rim Backspacing: Standard
Install Notes: New shocks are required
GMC 3/4 ton Truck

EZ-Ride with rear lift blocks
1973-1987 3″ 13720K 13720KH 13720KN
Instruction Manual: #13720 Instructions
Average Install Time: 4 to 6 Hours
Recommended Tire Size: 33 ” x 12.5″
Rim Backspacing: Standard
Install Notes: New shocks are required
GMC 3/4 ton Truck

EZ-Ride with rear 52″ leaf springs
1973-1987 3″ 13721K 13721KH 13721KN
Instruction Manual: #13721 Instructions
Average Install Time: 4 to 6 Hours
Recommended Tire Size: 33″ x 12.5″
Rim Backspacing: Standard
Install Notes: New shocks are required
GMC 3/4 ton Truck

EZ-Ride with rear lift blocks
1973-1987 4″ 14720K 14720KH 14720KN
Instruction Manual: #14720 Instructions
Average Install Time: 4 to 6 Hours
Recommended Tire Size: 33″ x 12.5″
Rim Backspacing: Standard
Install Notes: New shocks are required
GMC 3/4 ton Truck

EZ-Ride with rear 52″ leaf springs
1973-1987 4″ 14721K 14721KH 14721KN
Instruction Manual: #14721 Instructions
Average Install Time: 4 to 6 Hours
Recommended Tire Size: 33″ x 12.5″
Rim Backspacing: Standard
Install Notes: New shocks are required
GMC 3/4 ton Truck

EZ-Ride with rear 56″ leaf springs
1973-1987 4″ 14722K 14722KH 14722KN
Instruction Manual: #14722 Instructions
Average Install Time: 4 to 6 Hours
Recommended Tire Size: 33″ x 12.5″
Rim Backspacing: Standard
Install Notes: New shocks are required
GMC 3/4 ton Truck

Heavy Duty with rear lift blocks
1973-1987 4″ 14723K 14723KH 14723KN
Instruction Manual: #14723K Instructions
Average Install Time: 6 to 8 Hours
Recommended Tire Size: 33″ x 12.5″
Rim Backspacing: Standard
Install Notes: New shocks are required
GMC 3/4 ton Truck

Heavy Duty with rear 52″ leaf springs
1973-1987 4″ 14724K 14724KH 14724KN
Instruction Manual: #14724K Instructions
Average Install Time: 6 to 8 Hours
Recommended Tire Size: 33″ x 12.5″
Rim Backspacing: Standard
Install Notes: New shocks are required
GMC 3/4 ton Truck

Heavy Duty with rear 56″ leaf springs
1973-1987 4″ 14725K 14725KH 14725KN
Instruction Manual: #14725K Instructions
Average Install Time: 6 to 8 Hours
Recommended Tire Size: 33″ x 12.5″
Rim Backspacing: Standard
Install Notes: New shocks are required
GMC 3/4 ton Truck

EZ-Ride with rear blocks & add-a-leafs
1973-1987 6″ 16720K 16720KH 16720KN
Instruction Manual: #16720 Instructions
Average Install Time: 6 to 8 Hours
Recommended Tire Size: 35″ x 12.5″
Rim Backspacing: Standard
Install Notes: New shocks are required.  Includes drop steering arm.
GMC 3/4 ton Truck

EZ-Ride with rear 52″ leaf springs
1973-1987 6″ 16721K 16721KH 16721KN
Instruction Manual: #16721 Instructions
Average Install Time: 6 to 8 Hours
Recommended Tire Size: 35″ x 12.5″
Rim Backspacing: Standard
Install Notes: New shocks are required.  Includes drop steering arm.
GMC 3/4 ton Truck

EZ-Ride with rear 56″ leaf springs
1973-1987 6″ 16722K 16722KH 16722KN
Instruction Manual: #16722 Instructions
Average Install Time: 6 to 8 Hours
Recommended Tire Size: 35″ x 12.5″
Rim Backspacing: Standard
Install Notes: New shocks are required.  Includes drop steering arm.
GMC 1/2 & 3/4 ton Truck

EZ-Ride with rear lift blocks
1969-1972 2″ 12610K 12610KH 12610KN
Instruction Manual: #12610 Instructions
Average Install Time: 4 to 6 Hours
Recommended Tire Size: 32″ x 10.5″
Rim Backspacing: Standard
Install Notes: New shocks are required
GMC 1/2 & 3/4 ton Truck

EZ-Ride with rear 52″ leaf springs
1969-1972 2″ 12612K 12612KH 12612KN
Instruction Manual: #12612 Instructions
Average Install Time: 4 to 6 Hours
Recommended Tire Size: 32″ x 10.5″
Rim Backspacing: Standard
Install Notes: New shocks are required
GMC 1/2 & 3/4 ton Truck

Heavy Duty with rear lift blocks
1969-1972 2″ 12611K 12611KH 12611KN
Instruction Manual: #12611 Instructions
Average Install Time: 6 to 8 Hours
Recommended Tire Size: 32″ x 10.5″
Rim Backspacing: Standard
Install Notes: New shocks are required
GMC 1/2 & 3/4 ton Truck

Heavy Duty with 52″ rear leaf springs
1969-1972 2″ 12613K 12613KH 12613KN
Instruction Manual: #12613 Instructions
Average Install Time: 6 to 8 Hours
Recommended Tire Size: 32″ x 10.5″
Rim Backspacing: Standard
Install Notes: New shocks are required
GMC 1/2 & 3/4 ton Truck

EZ-Ride with rear lift blocks
1969-1972 4″ 14610K 14610KH 14610KN
Instruction Manual: #14610 Instructions
Average Install Time: 4 to 6 Hours
Recommended Tire Size: 33″ x 12.5″
Rim Backspacing: Standard
Install Notes: New shocks are required
GMC 1/2 & 3/4 ton Truck

EZ-Ride with rear 52″ leaf springs
1969-1972 4″ 14612K 14612KH 14612KN
Instruction Manual: #14612 Instructions
Average Install Time: 4 to 6 Hours
Recommended Tire Size: 33″ x 12.5″
Rim Backspacing: Standard
Install Notes: New shocks are required
GMC 1/2 & 3/4 ton Truck

Heavy Duty with rear lift blocks
1969-1972 4″ 14611K 14611KH 14611KN
Instruction Manual: #14611 Instructions
Average Install Time: 6 to 8 Hours
Recommended Tire Size: 33″ x 12.5″
Rim Backspacing: Standard
Install Notes: New shocks are required
GMC 1/2 & 3/4 ton Truck

Heavy Duty with rear 52″ leaf springs
1969-1972 4″ 14613K 14613KH 14613KN
Instruction Manual: #14613 Instructions
Average Install Time: 6 to 8 Hours
Recommended Tire Size: 33″ x 12.5″
Rim Backspacing: Standard
Install Notes: New shocks are required
GMC 1/2 & 3/4 ton Truck

EZ-Ride with rear blocks & add-a-leafs
1969-1972 6″ 16610K 16610KH 16610KN
Instruction Manual: #16610 Instructions
Average Install Time: 6 to 8 Hours
Recommended Tire Size: 35″ x 12.5″
Rim Backspacing: Standard
Install Notes: New shocks are required.  Includes drop steering arm.
GMC 1/2 & 3/4 ton Truck

EZ-Ride with rear leaf springs
1969-1972 6″ 16611K 16611KH 16611KN
Instruction Manual: #16611 Instructions
Average Install Time: 6 to 8 Hours
Recommended Tire Size: 35″ x 12.5″
Rim Backspacing: Standard
Install Notes: New shocks are required.  Includes drop steering arm.