| Ground Force | ||||
| Front Leveling Kit | ||||
| Model | Years | Part # | Notes |  |
| Sierra 1500 | 2007-2013 | GFS 3812P | 6 Lug applications | |
| Sierra 1500 | 2014-2015 | GFS 3840 | 6 Lug applications | |
| Yukon | 2007-2013 | GFS 3812P | 6 Lug applications | |
| Yukon | 2014-2015 | GFS 3840 | 6 Lug applications | |
| Complete Leveling Kit | ||||
| Model | Years | Part # | Notes |  |
| Sierra 1500 | 2007-2013 | GFS 3813 | 6 Lug applications | |
| Sierra 1500 | 2014-2015 | GFS 3841 | 6 Lug applications | |
| Rear Lowering Kit | ||||
| Model | Years | Part # | Notes |  |
| Yukon | 2007-2014 | GFS 91207 | w/o Air Suspension | |
| Yukon XL | 2007-2014 | GFS 91207 | w/o Air Suspension | |
| Rear Lowering Shackle Kit | ||||
| Model | Years | Part # | Notes |  |
| Sierra 1500 | 2007-2013 | GFS 91210 (2WD)
/ GFS 91209 (4WD) |
Reg Cab | |
| Sierra 1500 | 2007-2013 | GFS 91212
/ GFS 91208 |
Ext / Crew Cab | |
| Sierra 1500 | 2014-2015 | GFS 91216 (2WD) | Ext / Crew Cab | |
| Complete Lowering Kit | ||||
| Model | Years | Part # | Notes |  |
| Sierra 1500 | 2007-2013 | GFS 9994 (2WD)
/ GFS 9997 |
Reg Cab | |
| Sierra 1500 | 2007-2013 | GFS 9860
/ GFS 9993 / GFS 9996 / GFS 9999 |
Ext / Crew Cab (2WD) | |
| Sierra 1500 | 2007-2013 | GFS 9857 | Ext / Crew Cab (2/4WD/AWD) | |
| Sierra 1500 | 2014-2015 | GFS 9877
/ GFS 9879 |
Ext / Crew Cab (2WD) | |
| Yukon | 2007-2014 | GFS 9977 | w/o rear air suspension | |
| Yukon (Denali) | 2007-2014 | GFS 9855
/ GFS 9979 |
w/ rear air suspension | |
| Yukon | 2007-2014 | GFS 9856 | Auto Ride | |
| Yukon XL | 2007-2014 | GFS 9977 | w/o rear air suspension | |
| Yukon XL | 2007-2014 | GFS 9855
/ GFS 9979 |
w/ rear air suspension | |
| Yukon XL | 2007-2014 | GFS 9856 | Auto Ride | |
| Prothane | |||
| Front Leveling Kit | |||
| Model | Years | Part # |  |
| Sierra 1500 | 2007-2009 | PRT 7-1716
/ PRT 7-1716-BL |
|
| Yukon | 2007-2009 | PRT 7-1716
/ PRT 7-1716-BL |
|
| Timbren | ||||
| Suspension Enhancement System | ||||
| Front | ||||
| Model | Years | Notes | Part # |  |
| Canyon | 2004-2012 | 2WD | TIM GMFC2 | |
| Canyon | 2004-2012 | 4WD | TIM GMFC4 | |
| Sierra 1500 | 2007-2014 | 2/4WD | TIM GMFK15CA | |
| Sierra 1500 | 2015 | 4WD | TIM GMFK15CA | |
| Sierra HD | 2011-2015 | 2/4WD | TIM GMFK25D | |
| Yukon | 2007-2015 | 2/4WD | TIM GMFK15B | |
| Yukon XL 1500 | 2007-2015 | 4WD | TIM GMFK15B | |
| Rear | ||||
| Model | Years | Notes | Part # |  |
| Canyon | 2004-2012 | 2/4WD | TIM GMRCC | |
| Sierra 1500 | 1999-2015 | 2/4WD | TIM GMRTT15S | |
| Sierra 1500 | 2007-2015 | 2/4WD | TIM GMRCK15S | |
| Sierra 3500 | 2007-2010 | 2/4WD - Dually | TIM GMRCK35C | |
| Sierra HD | 2011-2015 | 2/4WD | TIM GMRCK25D | |
| Yukon | 2007-2015 | 2/4WD | TIM GMRYS4 | |
| Yukon XL 1500 | 2000-2015 | 2/4WD | TIM GMRYS4 | |
| Yukon XL 2500 | 2000-2015 | 2/4WD | TIM GMRSB4S | |
| Active Off-Road Bumpstops | ||||
| Front | ||||
| Model | Years | Notes | Part # |  |
| Canyon | 2015-2016 | 4WD | TIM ABSGMFCC | |
| Rear | ||||
| Model | Years | Notes | Part # |  |
| Canyon | 2015-2016 | 4WD | TIM ABSOSR | |