Specific Fitment Distinctions:
- Position: Rear.
- Notes: Lowering Rate: R: 2 Inch or 3 Inch.
2001-2003 Chevrolet Silverado 1500 HD
- (6.0L V8, 4WD, Crew Cab Pickup) Submodels: LS, LT
- (6.0L V8, RWD, Crew Cab Pickup) Submodels: LS, LT
2005 Chevrolet Silverado 1500 HD
- (6.0L V8, 4WD, Crew Cab Pickup)
- (6.0L V8, RWD, Crew Cab Pickup)
2006 Chevrolet Silverado 1500 HD
- (6.0L V8, 4WD, Crew Cab Pickup, LT)
- (6.0L V8, RWD, Crew Cab Pickup, LT)
2001-2002 Chevrolet Silverado 2500 HD
2004-2005 Chevrolet Silverado 2500 HD
2002-2005 GMC Sierra 2500 HD
- (6.0L V8, 6.6L V8, 8.1L V8, 4WD, Crew Cab Pickup)
- (6.0L V8, 6.6L V8, 8.1L V8, 4WD, Extended Cab Pickup)
- (6.0L V8, 6.6L V8, 8.1L V8, 4WD, Standard Cab Pickup)
- (6.0L V8, 6.6L V8, 8.1L V8, RWD, Crew Cab Pickup)
- (6.0L V8, 6.6L V8, 8.1L V8, RWD, Extended Cab Pickup)
- (6.0L V8, 6.6L V8, 8.1L V8, RWD, Standard Cab Pickup)
2003 Chevrolet Silverado 2500 HD
- (6.0L V8, 4WD, Standard Cab Pickup, WT)
- (6.0L V8, 6.6L V8, 8.1L V8, 4WD, Crew Cab Pickup)
- (6.0L V8, 6.6L V8, 8.1L V8, 4WD, Extended Cab Pickup)
- (6.0L V8, 6.6L V8, 8.1L V8, 4WD, Standard Cab Pickup)
- (6.0L V8, 6.6L V8, 8.1L V8, RWD, Crew Cab Pickup)
- (6.0L V8, 6.6L V8, 8.1L V8, RWD, Extended Cab Pickup)
- (6.0L V8, 6.6L V8, 8.1L V8, RWD, Standard Cab Pickup)
- (6.0L V8, RWD, Standard Cab Pickup, WT)
2006 Chevrolet Silverado 2500 HD
- (6.0L V8, 6.6L V8, 8.1L V8, 4WD, Crew Cab Pickup) Submodels: LS, LT, WT
- (6.0L V8, 6.6L V8, 8.1L V8, 4WD, Extended Cab Pickup) Submodels: LS, LT, WT
- (6.0L V8, 6.6L V8, 8.1L V8, 4WD, Standard Cab Pickup) Submodels: LS, WT
- (6.0L V8, 6.6L V8, 8.1L V8, RWD, Crew Cab Pickup) Submodels: LS, LT, WT
- (6.0L V8, 6.6L V8, 8.1L V8, RWD, Extended Cab Pickup) Submodels: LS, LT, WT
- (6.0L V8, 6.6L V8, 8.1L V8, RWD, Standard Cab Pickup) Submodels: LS, WT
2007-2010 Chevrolet Silverado 2500 HD
2007-2010 Chevrolet Silverado 3500 HD
- (6.0L V8, 6.6L V8, 4WD, Crew Cab Pickup) Submodels: LT, LTZ, WT
- (6.0L V8, 6.6L V8, 4WD, Extended Cab Pickup) Submodels: LT, LTZ, WT
- (6.0L V8, 6.6L V8, 4WD, Standard Cab Pickup) Submodels: LT, WT
- (6.0L V8, 6.6L V8, RWD, Crew Cab Pickup) Submodels: LT, LTZ, WT
- (6.0L V8, 6.6L V8, RWD, Extended Cab Pickup) Submodels: LT, LTZ, WT
- (6.0L V8, 6.6L V8, RWD, Standard Cab Pickup) Submodels: LT, WT
(6.0L V8, 4WD, Crew Cab Pickup) Submodels: SLE, SLT
(6.0L V8, RWD, Crew Cab Pickup) Submodels: SLE, SLT
- 2001-2003 GMC Sierra 1500 HD
- 2005-2006 GMC Sierra 1500 HD
2001 GMC Sierra 2500 HD
- (6.0L V8, 6.6L V8, 8.1L V8, 4WD, Crew Cab Pickup) Submodels: SL, SLE, SLT
- (6.0L V8, 6.6L V8, 8.1L V8, 4WD, Extended Cab Pickup) Submodels: SL, SLE, SLT
- (6.0L V8, 6.6L V8, 8.1L V8, 4WD, Standard Cab Pickup) Submodels: SL, SLE
- (6.0L V8, 6.6L V8, 8.1L V8, RWD, Crew Cab Pickup) Submodels: SL, SLE, SLT
- (6.0L V8, 6.6L V8, 8.1L V8, RWD, Extended Cab Pickup) Submodels: SL, SLE, SLT
- (6.0L V8, 6.6L V8, 8.1L V8, RWD, Standard Cab Pickup) Submodels: SL, SLE
2006 GMC Sierra 2500 HD
- (6.0L V8, 6.6L V8, 8.1L V8, 4WD, Crew Cab Pickup) Submodels: SL, SLE, SLT, WT
- (6.0L V8, 6.6L V8, 8.1L V8, 4WD, Extended Cab Pickup) Submodels: SL, SLE, SLT, WT
- (6.0L V8, 6.6L V8, 8.1L V8, 4WD, Standard Cab Pickup) Submodels: SL, SLE, WT
- (6.0L V8, 6.6L V8, 8.1L V8, RWD, Crew Cab Pickup) Submodels: SL, SLE, SLT, WT
- (6.0L V8, 6.6L V8, 8.1L V8, RWD, Extended Cab Pickup) Submodels: SL, SLE, SLT, WT
- (6.0L V8, 6.6L V8, 8.1L V8, RWD, Standard Cab Pickup) Submodels: SL, SLE, WT
2007-2010 GMC Sierra 2500 HD
2007-2010 GMC Sierra 3500 HD
- (6.0L V8, 6.6L V8, 4WD, Crew Cab Pickup) Submodels: SLE, SLT, WT
- (6.0L V8, 6.6L V8, 4WD, Extended Cab Pickup) Submodels: SLE, SLT, WT
- (6.0L V8, 6.6L V8, 4WD, Standard Cab Pickup) Submodels: SLE, WT
- (6.0L V8, 6.6L V8, RWD, Crew Cab Pickup) Submodels: SLE, SLT, WT
- (6.0L V8, 6.6L V8, RWD, Extended Cab Pickup) Submodels: SLE, SLT, WT
- (6.0L V8, 6.6L V8, RWD, Standard Cab Pickup) Submodels: SLE, WT