Home / Shop / Tuff Country 01-10 Silverado 2500HD (Grn/org/Wht TB) 4x4 & 2wd 2in Leveling Kit Frt (SX8000 Shocks)

Tuff Country 01-10 Silverado 2500HD (Grn/org/Wht TB) 4x4 & 2wd 2in Leveling Kit Frt (SX8000 Shocks)

SKU: TUF12904KN

Suspension Leveling & Lift Kits

TUF Front Leveling Kits...

Tuff Country

Tuff Country 01-10 Silverado 2500HD (Grn/org/Wht TB) 4x4 & 2wd 2in Leveling Kit Frt (SX8000 Shocks)

SKU: TUF12904KN

Suspension Leveling & Lift Kits

TUF Front Leveling Kits...

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.

We accept

Description

Tuff Country's torsion bar keys are designed as an easy solution to level trucks with factory torsion bars. These replacement torsion bars reindex the factory torsion bars which lifts the truck without cranking up the factory torsion bars. Applications include Sierra 2500HD/3500HD, Canyon, Yukon and 1988-1998 1500 Truck.

Product Overview

Features and Benefits

Front Leveling Kit; Torsion Bar Keys

Product Details

Description:	2001-2010 Chevy Silverado 2500HD (vehicle has green; orange or white marked fact
Lift/Drop Height:	2 in.
Part Number:	tuf12904KN
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

Front Leveling Kit; Torsion Bar Keys

Specifications

Product Attributes - Brand: Tuff Country
Product Attributes - Manufacturer's Part Number: 12904KN
Product Attributes - Part Type: Suspension Leveling & Lift Kits
Product Attributes - Product Line: Tuff Country Leveling Kits
Product Attributes - UPC: 698815007989
Product Attributes - Lift Style: Suspension Leveling Kit
Product Attributes - Primary Front Lift Component: Torsion bar key
Product Attributes - Front Shocks/Struts Included: No
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: No
Product Attributes - FMVSS 126 Certification: No
Product Attributes - Quantity: Sold as a kit.
Product Attributes - Notes: Includes SX8000 shocks. Models with with purple marked factory torsion bar keys use part 12944.

Reference Information

Brand Name/s	Tuff Country
StreetFX SKU	tuf12904KN
SFX Item ID	4291855
Supplier Item Code	4291855
Manufacturer SKU	12904KN
Manufacturer UPC	698815007989
Alternative References	TFY-12904KN, 2500HD, 4x4, 2wd, 2in, (SX8000

Compatibility

Application Data

Make	CHEVROLET
Model	SILVERADO 2500 HD
Submodel	BASE
Beginning Year	2001
Ending Year	2001
Engine Type	V8
Liter	6.0
CID	364
CC	5967
Engine Size	6.0L/364
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Drivetrain	4WD
Engine VIN Code	U

Make CHEVROLET
Model SILVERADO 2500 HD
Submodel BASE
Beginning Year 2001
Ending Year 2005
Engine Type V8
Liter 8.1
CID 496
Engine Size 8.1L/496
Engine Family Chevy big block Gen VII
Drivetrain 4WD
Engine VIN Code G

Make	CHEVROLET
Model	SILVERADO 2500 HD
Submodel	BASE
Beginning Year	2001
Ending Year	2005
Engine Type	V8
Engine Family	Chevy big block Gen VII
Drivetrain	4WD
Amount of Lift Front	2.000 in.
Amount of Lift Rear	None
Front Suspension	Independent front suspension
Number of Lugs	8
Maximum Tire Height (in.)	32 in.
Maximum Tire Width (in.)(application)	10.5 in.
Fuel Type	GAS

Make	CHEVROLET
Model	SILVERADO 2500 HD
Submodel	BASE
Beginning Year	2001
Ending Year	2005
Engine Type	V8
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Drivetrain	4WD
Amount of Lift Front	2.000 in.
Amount of Lift Rear	None
Front Suspension	Independent front suspension
Number of Lugs	8
Maximum Tire Height (in.)	32 in.
Maximum Tire Width (in.)(application)	10.5 in.
Fuel Type	GAS

Make	CHEVROLET
Model	SILVERADO 2500 HD
Submodel	BASE
Beginning Year	2001
Ending Year	2005
Engine Type	V8
Engine Family	DURAMAX V8 DIESEL
Drivetrain	4WD
Amount of Lift Front	2.000 in.
Amount of Lift Rear	None
Front Suspension	Independent front suspension
Number of Lugs	8
Maximum Tire Height (in.)	32 in.
Maximum Tire Width (in.)(application)	10.5 in.
Fuel Type	DIESEL

Make	CHEVROLET
Model	SILVERADO 2500 HD
Submodel	BASE
Beginning Year	2002
Ending Year	2005
Engine Type	V8
Liter	6.0
CID	364
CC	5967
Engine Size	6.0L/364
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Drivetrain	4WD
Engine VIN Code	U

Make	CHEVROLET
Model	SILVERADO 2500 HD CLASSIC
Submodel	LS
Beginning Year	2007
Ending Year	2007
Engine Type	V8
Liter	6.0
CID	364
CC	5967
Engine Size	6.0L/364
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Drivetrain	4WD
Engine VIN Code	U

Make CHEVROLET
Model SILVERADO 2500 HD CLASSIC
Submodel LS
Beginning Year 2007
Ending Year 2007
Engine Type V8
Liter 8.1
CID 496
Engine Size 8.1L/496
Engine Family Chevy big block Gen VII
Drivetrain 4WD
Engine VIN Code G

Make	CHEVROLET
Model	SILVERADO 2500 HD CLASSIC
Submodel	LS
Beginning Year	2007
Ending Year	2007
Engine Type	V8
Engine Family	Chevy big block Gen VII
Drivetrain	4WD
Amount of Lift Front	2.000 in.
Amount of Lift Rear	None
Front Suspension	Independent front suspension
Number of Lugs	8
Maximum Tire Height (in.)	32 in.
Maximum Tire Width (in.)(application)	10.5 in.
Fuel Type	GAS

Make	CHEVROLET
Model	SILVERADO 2500 HD CLASSIC
Submodel	LS
Beginning Year	2007
Ending Year	2007
Engine Type	V8
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Drivetrain	4WD
Amount of Lift Front	2.000 in.
Amount of Lift Rear	None
Front Suspension	Independent front suspension
Number of Lugs	8
Maximum Tire Height (in.)	32 in.
Maximum Tire Width (in.)(application)	10.5 in.
Fuel Type	GAS

Make	CHEVROLET
Model	SILVERADO 2500 HD CLASSIC
Submodel	LS
Beginning Year	2007
Ending Year	2007
Engine Type	V8
Engine Family	DURAMAX V8 DIESEL
Drivetrain	4WD
Amount of Lift Front	2.000 in.
Amount of Lift Rear	None
Front Suspension	Independent front suspension
Number of Lugs	8
Maximum Tire Height (in.)	32 in.
Maximum Tire Width (in.)(application)	10.5 in.
Fuel Type	DIESEL

Make	CHEVROLET
Model	SILVERADO 2500 HD CLASSIC
Submodel	LT
Beginning Year	2007
Ending Year	2007
Engine Type	V8
Liter	6.0
CID	364
CC	5967
Engine Size	6.0L/364
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Drivetrain	4WD
Engine VIN Code	U

Make CHEVROLET
Model SILVERADO 2500 HD CLASSIC
Submodel LT
Beginning Year 2007
Ending Year 2007
Engine Type V8
Liter 8.1
CID 496
Engine Size 8.1L/496
Engine Family Chevy big block Gen VII
Drivetrain 4WD
Engine VIN Code G

Make	CHEVROLET
Model	SILVERADO 2500 HD CLASSIC
Submodel	LT
Beginning Year	2007
Ending Year	2007
Engine Type	V8
Engine Family	Chevy big block Gen VII
Drivetrain	4WD
Amount of Lift Front	2.000 in.
Amount of Lift Rear	None
Front Suspension	Independent front suspension
Number of Lugs	8
Maximum Tire Height (in.)	32 in.
Maximum Tire Width (in.)(application)	10.5 in.
Fuel Type	GAS

Make	CHEVROLET
Model	SILVERADO 2500 HD CLASSIC
Submodel	LT
Beginning Year	2007
Ending Year	2007
Engine Type	V8
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Drivetrain	4WD
Amount of Lift Front	2.000 in.
Amount of Lift Rear	None
Front Suspension	Independent front suspension
Number of Lugs	8
Maximum Tire Height (in.)	32 in.
Maximum Tire Width (in.)(application)	10.5 in.
Fuel Type	GAS

Make	CHEVROLET
Model	SILVERADO 2500 HD CLASSIC
Submodel	LT
Beginning Year	2007
Ending Year	2007
Engine Type	V8
Engine Family	DURAMAX V8 DIESEL
Drivetrain	4WD
Amount of Lift Front	2.000 in.
Amount of Lift Rear	None
Front Suspension	Independent front suspension
Number of Lugs	8
Maximum Tire Height (in.)	32 in.
Maximum Tire Width (in.)(application)	10.5 in.
Fuel Type	DIESEL

Make	CHEVROLET
Model	SILVERADO 2500 HD CLASSIC
Submodel	WT
Beginning Year	2007
Ending Year	2007
Engine Type	V8
Liter	6.0
CID	364
CC	5967
Engine Size	6.0L/364
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Drivetrain	4WD
Engine VIN Code	U

Make CHEVROLET
Model SILVERADO 2500 HD CLASSIC
Submodel WT
Beginning Year 2007
Ending Year 2007
Engine Type V8
Liter 8.1
CID 496
Engine Size 8.1L/496
Engine Family Chevy big block Gen VII
Drivetrain 4WD
Engine VIN Code G

Make	CHEVROLET
Model	SILVERADO 2500 HD CLASSIC
Submodel	WT
Beginning Year	2007
Ending Year	2007
Engine Type	V8
Engine Family	Chevy big block Gen VII
Drivetrain	4WD
Amount of Lift Front	2.000 in.
Amount of Lift Rear	None
Front Suspension	Independent front suspension
Number of Lugs	8
Maximum Tire Height (in.)	32 in.
Maximum Tire Width (in.)(application)	10.5 in.
Fuel Type	GAS

Make	CHEVROLET
Model	SILVERADO 2500 HD CLASSIC
Submodel	WT
Beginning Year	2007
Ending Year	2007
Engine Type	V8
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Drivetrain	4WD
Amount of Lift Front	2.000 in.
Amount of Lift Rear	None
Front Suspension	Independent front suspension
Number of Lugs	8
Maximum Tire Height (in.)	32 in.
Maximum Tire Width (in.)(application)	10.5 in.
Fuel Type	GAS

Make	CHEVROLET
Model	SILVERADO 2500 HD CLASSIC
Submodel	WT
Beginning Year	2007
Ending Year	2007
Engine Type	V8
Engine Family	DURAMAX V8 DIESEL
Drivetrain	4WD
Amount of Lift Front	2.000 in.
Amount of Lift Rear	None
Front Suspension	Independent front suspension
Number of Lugs	8
Maximum Tire Height (in.)	32 in.
Maximum Tire Width (in.)(application)	10.5 in.
Fuel Type	DIESEL

Make	CHEVROLET
Model	SILVERADO 2500 HD
Submodel	LS
Beginning Year	2001
Ending Year	2006
Engine Type	V8
Liter	6.0
CID	364
CC	5967
Engine Size	6.0L/364
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Drivetrain	4WD
Engine VIN Code	U

Make CHEVROLET
Model SILVERADO 2500 HD
Submodel LS
Beginning Year 2001
Ending Year 2006
Engine Type V8
Liter 8.1
CID 496
Engine Size 8.1L/496
Engine Family Chevy big block Gen VII
Drivetrain 4WD
Engine VIN Code G

Make	CHEVROLET
Model	SILVERADO 2500 HD
Submodel	LS
Beginning Year	2001
Ending Year	2006
Engine Type	V8
Engine Family	Chevy big block Gen VII
Drivetrain	4WD
Amount of Lift Front	2.000 in.
Amount of Lift Rear	None
Front Suspension	Independent front suspension
Number of Lugs	8
Maximum Tire Height (in.)	32 in.
Maximum Tire Width (in.)(application)	10.5 in.
Fuel Type	GAS

Make	CHEVROLET
Model	SILVERADO 2500 HD
Submodel	LS
Beginning Year	2001
Ending Year	2006
Engine Type	V8
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Drivetrain	4WD
Amount of Lift Front	2.000 in.
Amount of Lift Rear	None
Front Suspension	Independent front suspension
Number of Lugs	8
Maximum Tire Height (in.)	32 in.
Maximum Tire Width (in.)(application)	10.5 in.
Fuel Type	GAS

Loading compatibility information...

Keep shopping

Tuff Country 01-10 Silverado 2500HD (Grn/org/Wht TB) 4x4 & 2wd 2in Leveling Kit Frt (SX8000 Shocks)

Tuff Country 01-10 Silverado 2500HD (Grn/org/Wht TB) 4x4 & 2wd 2in Leveling Kit Frt (SX8000 Shocks)

Description

Product Overview

Features and Benefits

Product Details

Part Type

Features

Specifications

Reference Information

Compatibility

More from Tuff Country

Tuff Country 19-23 Chevy 1500 4x4 4in Lift Kit w/ Upper Control Arms

Tuff Country 19-23 Dodge Ram 1500 2in Front Leveling Kit with Ride Height Sensor Links

Tuff Country 19-23 Ram 1500 Rebel 4wd 2.5in Leveling Kt Frt w/Ball Joint Up Cntrl Arms (No Shocks)

Tuff Country 73-79 Ford F-150 4X4 4in Lift Kit (w/2.5in Wide Rear Springs SX8000 Shocks)

Tuff Country 81-96 Ford F-150 4x4 2.5in Performance Lift Kit (No Shocks)

Tuff Country 92-98 Chevy Suburban 2500 4x4 (8 lug) 2in Lift Kit (SX8000 Shocks)