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applications
Model
Year
Front Lift
Part #
Chevy / GMC Silverado 1500 4wd
2007-2013
2"
12000(a)
Chevy / GMC Suburban 1500 4wd
 
2007-2012
2"
12000(a)
Chevy / GMC Tahoe & Yukon 4wd
 
2007-2012
2"
12000(a)
Chevy / GMC Silverado & Sierra 1500 4wd
1999-2006
2"
12903
Chevy / GMC Silverado & Sierra 2500HD / 3500HD
2011-2012
2"
12004
Chevy / GMC Silverado & Sierra 2500HD / 3500HD
2001-2010
2"
12904(b)
Chevy / GMC Truck 1500
1988-1998
2"
12903
Chevy / GMC Colorado & Canyon
2004-2012
2"
12908
Chevy / GMC Suburban, Tahoe & Avalanche 1500
2007-2012
2"
12000
Chevy / GMC Suburban, Tahoe & Avalanche
2000-2006
2"
12906
Chevy / GMC Suburban, Tahoe & Blazer 
1992-1999
2"
12905
Hummer H3 (torsion bar keys)
2006-2009
2"
12908

(a) If upgrading to a larger tire (285/70) with aftermarket rims a positive 30 offset is required. If lower than a positive 30 offset wheel is use, trimming is required. If used with factory rims, no trimming will be required.

(b) 2500HD / 3500HD Models with w/purple marked factory torsion bar keys use part # 12944)

 

tech specs
# 12000 - Chevy / GMC 2007-2012 Silverado - 2" Leveling Kit
Instruction Manual
Average Install Time
2 to 4 hours
Recommended Tire Size
285/70R
Rim Backspacing
Factory Offset (a)
 
# 12004 - Chevy / GMC Silverado 2500HD / 3500HD - 2" Leveling Kit
Instruction Manual
Average Install Time
2 to 4 hours
Recommended Tire Size
N/A
 
Rim Backspacing
Standard
 
# 12903 - Chevy / GMC Silverado & Truck 1500 - 2" Leveling Kit
Instruction Manual
Average Install Time
2 to 4 hours
Recommended Tire Size
N/A
 
Rim Backspacing
Standard
 
# 12904 - Chevy / GMC Silverado 2500HD & 3500HD- 2" Leveling Kit
Instruction Manual
Average Install Time
2 to 4 hours
Recommended Tire Size
N/A
 
Rim Backspacing
Standard
 
# 12905 - Chevy / GMC Suburban, Tahoe & Avalanche - 2" Leveling Kit
Instruction Manual
Average Install Time
2 to 4 hours
Recommended Tire Size
N/A
 
Rim Backspacing
Standard
 
# 12906 - Chevy / GMC Suburban, Tahoe & Blazer - 2" Leveling Kit
Instruction Manual
Average Install Time
2 to 4 hours
Recommended Tire Size
N/A
 
Rim Backspacing
Standard
 
# 12908 - Chevy / GMC Colorado & Canyon - 2" Leveling Kit
Instruction Manual
Average Install Time
2 to 4 hours
Recommended Tire Size
N/A
Rim Backspacing
Standard
 
additional images
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