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Tuff Country

Tuff Country 73-87 Suburban 3/4 Ton 4X4 2in Lift Kit EZ-Ride (w/52in Rear Springs SX8000)

SKU: TUF12721KN

Suspension Leveling & Lift Kits

TUF Lift Kits...

Tuff Country 73-87 Suburban 3/4 Ton 4X4 2in Lift Kit EZ-Ride (w/52in Rear Springs SX8000)

Tuff Country

Tuff Country 73-87 Suburban 3/4 Ton 4X4 2in Lift Kit EZ-Ride (w/52in Rear Springs SX8000)

SKU: TUF12721KN

Suspension Leveling & Lift Kits

TUF Lift Kits...

A$4,384.92
Last Available from MFR. LAST ONE AVAILABLE from the manufacturer's distribution centre. Once sold, this item may not be immediately available again. The dispatch timeframe shown is an estimate based on historical orders for this part and is dependent on the manufacturer releasing the final available unit.
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Description

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.

Product Overview

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.


Features and Benefits

  • Will Not Shortchange You On Critical Components
  • Making The Install Safe And Effective
  • Fantastic Ride Quality
  • Designed To Replicate Your Factory Ride
  • No Sacrificing Off Road Durability And Performance
  • Gives You The Best Of Both Worlds
  • Limited Lifetime Warranty

Product Details

Year Make
Description:1973-1987 Chevy Suburban 3/4 ton 4x4-2in. Lift Kit EZ-Ride by (fits models w/52i
Lift/Drop Height:2 in.
Part Number:tuf12721KN
WARNING CA Proposition 65 Message:WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information: www.P65Warnings.ca.gov
WARNING CA Proposition 65:Yes

Part Type

Suspension Leveling & Lift Kits

Data: v4.2 - Upd: 2026-10-13 22:20:56

Features

  • Designed To Replicate Your Factory Ride
  • Fantastic Ride Quality
  • Gives You The Best Of Both Worlds
  • Limited Lifetime Warranty
  • Making The Install Safe And Effective
  • No Sacrificing Off Road Durability And Performance
  • Will Not Shortchange You On Critical Components

Specifications

Product Attributes - Brand
Tuff Country
Product Attributes - Manufacturer's Part Number
12721KN
Product Attributes - Part Type
Suspension Leveling & Lift Kits
Product Attributes - Product Line
Tuff Country EZ-Ride Suspension Lift Kits
Product Attributes - UPC
698815006722
Product Attributes - Front Lifted Amount Range (in)
2.00
Product Attributes - Rear Lifted Amount Range (in)
2.00
Product Attributes - Lift Style
Suspension Lift Kit
Product Attributes - Primary Front Lift Component
Leaf spring
Product Attributes - Primary Rear Lift Component
Leaf spring
Product Attributes - Max Tire Height (in)
32.00
Product Attributes - Max Tire Width (in)
10.50
Product Attributes - Front Shocks/Struts Included
Yes
Product Attributes - Front Shock Quantity Per Wheel
1
Product Attributes - Front Shock Type
Gas-charged twin-tube
Product Attributes - Rear Shocks/Struts Included
Yes
Product Attributes - Rear Shock Quantity Per Wheel
1
Product Attributes - Rear Shock Type
Gas-charged twin-tube
Product Attributes - Brake Lines Included
No
Product Attributes - Hardware Included
Yes
Product Attributes - FMVSS 126 Certification
No
Product Attributes - Quantity
Sold as a kit.
Product Attributes - Notes
Fits models with 52.00 in. long rear springs. Includes SX8000 shocks.

Reference Information

Brand Name/s Tuff Country
StreetFX SKU tuf12721KN
SFX Item ID 4291828
Supplier Item Code 4291828
Manufacturer SKU 12721KN
Manufacturer UPC 698815006722
Alternative References TFY-12721KN, 4X4, 2in, (w/52in, SX8000)

Compatibility

Application Data
  • Application NotesLift Kit w/Shock; 2 in. Lift, Incl. SX8000 Shocks/Shock Boots~EZ-Ride Front Springs/52 in. Rear Springs/U-Bolts~Brake Line Extension/Hardware Bag
    Beginning Year1975
    Body StyleCab & Chassis
    CID250
    Drivetrain4WD
    Ending Year1975
    Engine FamilyCHEVROLET L6 GAS
    Engine Size4.1L/250
    Engine TypeL6
    Engine VIN CodeQ
    Liter4.1
    MakeCHEVROLET
    ModelK20
    RegionUSA
    SubmodelCHEYENNE
  • Application NotesLift Kit w/Shock; 2 in. Lift, Incl. SX8000 Shocks/Shock Boots~EZ-Ride Front Springs/52 in. Rear Springs/U-Bolts~Brake Line Extension/Hardware Bag
    Beginning Year1975
    Body StyleStandard Cab Pickup
    CID250
    Drivetrain4WD
    Ending Year1975
    Engine FamilyCHEVROLET L6 GAS
    Engine Size4.1L/250
    Engine TypeL6
    Engine VIN CodeQ
    Liter4.1
    MakeCHEVROLET
    ModelK20
    RegionUSA
    SubmodelCHEYENNE
  • Application NotesLift Kit w/Shock; 2 in. Lift, Incl. SX8000 Shocks/Shock Boots~EZ-Ride Front Springs/52 in. Rear Springs/U-Bolts~Brake Line Extension/Hardware Bag
    Beginning Year1975
    Body StyleCab & Chassis
    CID350
    Drivetrain4WD
    Ending Year1975
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Engine TypeV8
    Engine VIN CodeY
    Liter5.7
    MakeCHEVROLET
    ModelK20
    RegionUSA
    SubmodelCHEYENNE
  • Application NotesLift Kit w/Shock; 2 in. Lift, Incl. SX8000 Shocks/Shock Boots~EZ-Ride Front Springs/52 in. Rear Springs/U-Bolts~Brake Line Extension/Hardware Bag
    Beginning Year1975
    Body StyleStandard Cab Pickup
    CID350
    Drivetrain4WD
    Ending Year1975
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Engine TypeV8
    Engine VIN CodeY
    Liter5.7
    MakeCHEVROLET
    ModelK20
    RegionUSA
    SubmodelCHEYENNE
  • Application NotesLift Kit w/Shock; 2 in. Lift, Incl. SX8000 Shocks/Shock Boots~EZ-Ride Front Springs/52 in. Rear Springs/U-Bolts~Brake Line Extension/Hardware Bag
    Beginning Year1975
    Body StyleCab & Chassis
    CID400
    Drivetrain4WD
    Ending Year1975
    Engine FamilyChevy small block Gen I
    Engine Size6.6L/400
    Engine TypeV8
    Engine VIN CodeM
    Liter6.6
    MakeCHEVROLET
    ModelK20
    RegionUSA
    SubmodelCHEYENNE
  • Application NotesLift Kit w/Shock; 2 in. Lift, Incl. SX8000 Shocks/Shock Boots~EZ-Ride Front Springs/52 in. Rear Springs/U-Bolts~Brake Line Extension/Hardware Bag
    Beginning Year1975
    Body StyleStandard Cab Pickup
    CID400
    Drivetrain4WD
    Ending Year1975
    Engine FamilyChevy small block Gen I
    Engine Size6.6L/400
    Engine TypeV8
    Engine VIN CodeM
    Liter6.6
    MakeCHEVROLET
    ModelK20
    RegionUSA
    SubmodelCHEYENNE
  • Application NotesLift Kit w/Shock; 2 in. Lift, Incl. SX8000 Shocks/Shock Boots~EZ-Ride Front Springs/52 in. Rear Springs/U-Bolts~Brake Line Extension/Hardware Bag
    Beginning Year1975
    Body StyleCab & Chassis
    CID350
    Drivetrain4WD
    Ending Year1976
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Engine TypeV8
    Engine VIN CodeV
    Liter5.7
    MakeCHEVROLET
    ModelK20
    RegionUSA
    SubmodelCHEYENNE
  • Application NotesLift Kit w/Shock; 2 in. Lift, Incl. SX8000 Shocks/Shock Boots~EZ-Ride Front Springs/52 in. Rear Springs/U-Bolts~Brake Line Extension/Hardware Bag
    Beginning Year1975
    Body StyleStandard Cab Pickup
    CID350
    Drivetrain4WD
    Ending Year1976
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Engine TypeV8
    Engine VIN CodeV
    Liter5.7
    MakeCHEVROLET
    ModelK20
    RegionUSA
    SubmodelCHEYENNE
  • Application NotesLift Kit w/Shock; 2 in. Lift, Incl. SX8000 Shocks/Shock Boots~EZ-Ride Front Springs/52 in. Rear Springs/U-Bolts~Brake Line Extension/Hardware Bag
    Beginning Year1975
    Body StyleCab & Chassis
    CID292
    Drivetrain4WD
    Ending Year1981
    Engine FamilyCHEVROLET L6 GAS
    Engine Size4.8L/292
    Engine TypeL6
    Engine VIN CodeT
    Liter4.8
    MakeCHEVROLET
    ModelK20
    RegionUSA
    SubmodelCHEYENNE
  • Application NotesLift Kit w/Shock; 2 in. Lift, Incl. SX8000 Shocks/Shock Boots~EZ-Ride Front Springs/52 in. Rear Springs/U-Bolts~Brake Line Extension/Hardware Bag
    Beginning Year1975
    Body StyleStandard Cab Pickup
    CID292
    Drivetrain4WD
    Ending Year1981
    Engine FamilyCHEVROLET L6 GAS
    Engine Size4.8L/292
    Engine TypeL6
    Engine VIN CodeT
    Liter4.8
    MakeCHEVROLET
    ModelK20
    RegionUSA
    SubmodelCHEYENNE
  • Application NotesLift Kit w/Shock; 2 in. Lift, Incl. SX8000 Shocks/Shock Boots~EZ-Ride Front Springs/52 in. Rear Springs/U-Bolts~Brake Line Extension/Hardware Bag
    Beginning Year1976
    Body StyleCab & Chassis
    CID400
    Drivetrain4WD
    Ending Year1976
    Engine FamilyChevy small block Gen I
    Engine Size6.6L/400
    Engine TypeV8
    Engine VIN CodeU
    Liter6.6
    MakeCHEVROLET
    ModelK20
    RegionUSA
    SubmodelCHEYENNE
  • Application NotesLift Kit w/Shock; 2 in. Lift, Incl. SX8000 Shocks/Shock Boots~EZ-Ride Front Springs/52 in. Rear Springs/U-Bolts~Brake Line Extension/Hardware Bag
    Beginning Year1976
    Body StyleStandard Cab Pickup
    CID400
    Drivetrain4WD
    Ending Year1976
    Engine FamilyChevy small block Gen I
    Engine Size6.6L/400
    Engine TypeV8
    Engine VIN CodeU
    Liter6.6
    MakeCHEVROLET
    ModelK20
    RegionUSA
    SubmodelCHEYENNE
  • Application NotesLift Kit w/Shock; 2 in. Lift, Incl. SX8000 Shocks/Shock Boots~EZ-Ride Front Springs/52 in. Rear Springs/U-Bolts~Brake Line Extension/Hardware Bag
    Beginning Year1976
    Body StyleCab & Chassis
    CID454
    Drivetrain4WD
    Ending Year1978
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
    Engine TypeV8
    Engine VIN CodeS
    Liter7.4
    MakeCHEVROLET
    ModelK20
    RegionUSA
    SubmodelCHEYENNE
  • Application NotesLift Kit w/Shock; 2 in. Lift, Incl. SX8000 Shocks/Shock Boots~EZ-Ride Front Springs/52 in. Rear Springs/U-Bolts~Brake Line Extension/Hardware Bag
    Beginning Year1976
    Body StyleStandard Cab Pickup
    CID454
    Drivetrain4WD
    Ending Year1978
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
    Engine TypeV8
    Engine VIN CodeS
    Liter7.4
    MakeCHEVROLET
    ModelK20
    RegionUSA
    SubmodelCHEYENNE
  • Application NotesLift Kit w/Shock; 2 in. Lift, Incl. SX8000 Shocks/Shock Boots~EZ-Ride Front Springs/52 in. Rear Springs/U-Bolts~Brake Line Extension/Hardware Bag
    Beginning Year1976
    Body StyleCab & Chassis
    CID250
    Drivetrain4WD
    Ending Year1980
    Engine FamilyCHEVROLET L6 GAS
    Engine Size4.1L/250
    Engine TypeL6
    Engine VIN CodeD
    Liter4.1
    MakeCHEVROLET
    ModelK20
    RegionUSA
    SubmodelCHEYENNE
  • Application NotesLift Kit w/Shock; 2 in. Lift, Incl. SX8000 Shocks/Shock Boots~EZ-Ride Front Springs/52 in. Rear Springs/U-Bolts~Brake Line Extension/Hardware Bag
    Beginning Year1976
    Body StyleStandard Cab Pickup
    CID250
    Drivetrain4WD
    Ending Year1980
    Engine FamilyCHEVROLET L6 GAS
    Engine Size4.1L/250
    Engine TypeL6
    Engine VIN CodeD
    Liter4.1
    MakeCHEVROLET
    ModelK20
    RegionUSA
    SubmodelCHEYENNE
  • Application NotesLift Kit w/Shock; 2 in. Lift, Incl. SX8000 Shocks/Shock Boots~EZ-Ride Front Springs/52 in. Rear Springs/U-Bolts~Brake Line Extension/Hardware Bag
    Beginning Year1976
    Body StyleCab & Chassis
    CID350
    Drivetrain4WD
    Ending Year1981
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Engine TypeV8
    Engine VIN CodeL
    Liter5.7
    MakeCHEVROLET
    ModelK20
    RegionUSA
    SubmodelCHEYENNE
  • Application NotesLift Kit w/Shock; 2 in. Lift, Incl. SX8000 Shocks/Shock Boots~EZ-Ride Front Springs/52 in. Rear Springs/U-Bolts~Brake Line Extension/Hardware Bag
    Beginning Year1976
    Body StyleStandard Cab Pickup
    CID350
    Drivetrain4WD
    Ending Year1981
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Engine TypeV8
    Engine VIN CodeL
    Liter5.7
    MakeCHEVROLET
    ModelK20
    RegionUSA
    SubmodelCHEYENNE
  • Application NotesLift Kit w/Shock; 2 in. Lift, Incl. SX8000 Shocks/Shock Boots~EZ-Ride Front Springs/52 in. Rear Springs/U-Bolts~Brake Line Extension/Hardware Bag
    Beginning Year1977
    Body StyleCab & Chassis
    CID305
    Drivetrain4WD
    Ending Year1978
    Engine FamilyChevy small block Gen I
    Engine Size5.0L/305
    Engine TypeV8
    Engine VIN CodeU
    Liter5.0
    MakeCHEVROLET
    ModelK20
    RegionUSA
    SubmodelCHEYENNE
  • Application NotesLift Kit w/Shock; 2 in. Lift, Incl. SX8000 Shocks/Shock Boots~EZ-Ride Front Springs/52 in. Rear Springs/U-Bolts~Brake Line Extension/Hardware Bag
    Beginning Year1977
    Body StyleStandard Cab Pickup
    CID305
    Drivetrain4WD
    Ending Year1978
    Engine FamilyChevy small block Gen I
    Engine Size5.0L/305
    Engine TypeV8
    Engine VIN CodeU
    Liter5.0
    MakeCHEVROLET
    ModelK20
    RegionUSA
    SubmodelCHEYENNE
  • Application NotesLift Kit w/Shock; 2 in. Lift, Incl. SX8000 Shocks/Shock Boots~EZ-Ride Front Springs/52 in. Rear Springs/U-Bolts~Brake Line Extension/Hardware Bag
    Beginning Year1977
    Body StyleCab & Chassis
    CID400
    Drivetrain4WD
    Ending Year1980
    Engine FamilyChevy small block Gen I
    Engine Size6.6L/400
    Engine TypeV8
    Engine VIN CodeR
    Liter6.6
    MakeCHEVROLET
    ModelK20
    RegionUSA
    SubmodelCHEYENNE
  • Application NotesLift Kit w/Shock; 2 in. Lift, Incl. SX8000 Shocks/Shock Boots~EZ-Ride Front Springs/52 in. Rear Springs/U-Bolts~Brake Line Extension/Hardware Bag
    Beginning Year1977
    Body StyleStandard Cab Pickup
    CID400
    Drivetrain4WD
    Ending Year1980
    Engine FamilyChevy small block Gen I
    Engine Size6.6L/400
    Engine TypeV8
    Engine VIN CodeR
    Liter6.6
    MakeCHEVROLET
    ModelK20
    RegionUSA
    SubmodelCHEYENNE
  • Application NotesLift Kit w/Shock; 2 in. Lift, Incl. SX8000 Shocks/Shock Boots~EZ-Ride Front Springs/52 in. Rear Springs/U-Bolts~Brake Line Extension/Hardware Bag
    Beginning Year1980
    Body StyleCab & Chassis
    CID400
    Drivetrain4WD
    Ending Year1980
    Engine FamilyChevy small block Gen I
    Engine Size6.6L/400
    Engine TypeV8
    Engine VIN CodeX
    Liter6.6
    MakeCHEVROLET
    ModelK20
    RegionUSA
    SubmodelCHEYENNE
  • Application NotesLift Kit w/Shock; 2 in. Lift, Incl. SX8000 Shocks/Shock Boots~EZ-Ride Front Springs/52 in. Rear Springs/U-Bolts~Brake Line Extension/Hardware Bag
    Beginning Year1980
    Body StyleStandard Cab Pickup
    CID400
    Drivetrain4WD
    Ending Year1980
    Engine FamilyChevy small block Gen I
    Engine Size6.6L/400
    Engine TypeV8
    Engine VIN CodeX
    Liter6.6
    MakeCHEVROLET
    ModelK20
    RegionUSA
    SubmodelCHEYENNE
  • Application NotesLift Kit w/Shock; 2 in. Lift, Incl. SX8000 Shocks/Shock Boots~EZ-Ride Front Springs/52 in. Rear Springs/U-Bolts~Brake Line Extension/Hardware Bag
    Beginning Year1980
    Body StyleCab & Chassis
    CID350
    Drivetrain4WD
    Ending Year1981
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Engine TypeV8
    Engine VIN CodeM
    Liter5.7
    MakeCHEVROLET
    ModelK20
    RegionUSA
    SubmodelCHEYENNE

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