Ground Force
Front Leveling Kit
Model Years Part # Notes Ground Force Front Leveling Kit
Avalanche 2007-2013 GFS 3812P --
Silverado 1500 2007-2013 GFS 3812P --
Silverado 1500 2014-2015 GFS 3840 --
Silverado 2500/3500 2000-2010 GFS 3808 Eight lug application
Suburban 2500 2000-2010 GFS 3808 Eight lug application
Suburban 2007-2014 GFS 3812P --
Suburban 2015 GFS 3840 --
Tahoe 2007-2014 GFS 3812P --
Tahoe 2015 GFS 3840 --




Complete Leveling Kit
Model Years Part # Notes Ground Force Complete Leveling Kit
Silverado 1500 2007-2013 GFS 3813 --
Silverado 1500 2014-2015 GFS 3841 --




Rear Lowering Kit
Model Years Part # Notes Ground Force Rear Lowering Kit
Avalanche 2007-2013 GFS 91207 --
Suburban 2007-2014 GFS 91207 --
Tahoe 2007-2014 GFS 91207 --




Rear Lowering Shackle Kit
Model Years Part # Notes Ground Force Rear Lowering Shackle Kit
Silverado 1500 2007-2013 GFS 91210 (2WD) /
GFS 91209 (4WD)
Reg Cab
Silverado 1500 2007-2013 GFS 91212 /
GFS 91208
Ext / Crew Cab
Silverado 1500 2014-2015 GFS 91216 (2WD) Ext / Crew Cab




Complete Lowering Kit
Model Years Part # Notes Ground Force Complete Lowering Kit
Avalanche 2007-2013 GFS 9977 w/o rear air suspension
Avalanche 2007-2013 GFS 9855 /
GFS 9979
w/ rear air suspension
Avalanche 2007-2013 GFS 9856 Auto Ride
Silverado 1500 2007-2013 GFS 9994 (2WD) /
GFS 9997
Reg Cab
Silverado 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)
Silverado 1500 2014-2015 GFS 9877 /
GFS 9879
Ext / Crew Cab (2WD)
Suburban 2007-2014 GFS 9977 w/o rear air suspension
Suburban 2007-2014 GFS 9855 /
GFS 9979
w/ rear air suspension
Suburban 2007-2014 GFS 9856 Auto Ride
Tahoe 2007-2014 GFS 9977 w/o rear air suspension
Tahoe 2007-2014 GFS 9855 /
GFS 9979
w/ rear air suspension
Tahoe 2007-2014 GFS 9856 Auto Ride





Return to top


Prothane
Front Leveling Kit
Model Years Part # Prothane Front Leveling Kit
Avalanche 2007-2009 PRT 7-1716 /
PRT 7-1716-BL
Silverado 1500 2007-2009 PRT 7-1716 /
PRT 7-1716-BL
Suburban 2007-2009 PRT 7-1716 /
PRT 7-1716-BL
Tahoe 2007-2009 PRT 7-1716 /
PRT 7-1716-BL





Return to top


Timbren
Suspension Enhancement System
Front
Model Years Notes Part # Timbren Front SES
Avalanche 2007-2013 2/4WD TIM GMFK15B
Colorado 2004-2012 2WD TIM GMFC2
Colorado 2004-2012 4WD TIM GMFC4
Silverado 1500 2007-2014 2/4WD TIM GMFK15CA
Silverado 1500 2015 4WD TIM GMFK15CA
Silverado HD 2011-2015 2/4WD TIM GMFK25D
Silverado 3500 2014-2015 2/4WD TIM GMFK25D
Suburban 1500 2007-2015 4WD TIM GMFK15B
Tahoe 2007-2015 2/4WD TIM GMFK15B





Rear
Model Years Notes Part # Timbren Rear SES
Avalanche 2007-2013 2/4WD TIM GMRYS4
Colorado 2004-2012 2/4WD TIM GMRCC
Silverado 1500 1999-2015 2/4WD TIM GMRTT15S
Silverado 1500 2007-2015 2/4WD TIM GMRCK15S
Silverado 3500 2007-2010 2/4WD - Dually TIM GMRCK35C
Silverado HD 2011-2015 2/4WD TIM GMRCK25D
Silverado 3500 2014-2015 2/4WD TIM GMRCK25D
Suburban 1500 2000-2015 2/4WD TIM GMRYS4
Suburban 2500 2000-2015 2/4WD TIM GMRSB4S
Tahoe 2007-2015 2/4WD TIM GMRYS4





Active Off-Road Bumpstops
Front
Model Years Notes Part # Timbren Front Active Off-Road Bumpstops
Colorado 2015-2016 4WD TIM ABSGMFCC




Rear
Model Years Notes Part # Timbren Front Active Off-Road Bumpstops
Colorado 2015-2016 4WD TIM ABSOSR





Return to top