Latest Cognito 01-13 Chevy/GMC Silverado/Sierra 2500/3500 HD 2WD/4WD Torsion Bar Keys

Torsion bar keys are used to set the ride height of the front of the truck and are commonly used in leveling kits, and it is important to set the height appropriately as to leave ample suspension droop travel to maintain a good ride quality.There are several different torsion bar spring rates that GM made and put in these trucks, the rate depending on the model and features of the truck. Some trucks that have a higher spring rate may not need aftermarket torsion bar adjuster keys to obtain the maximum recommended ride height.This kit is Only used in leveling kit applications as well as lifted applications when the higher setting of that particular lift kit range is desired like taking a 4 Inch Cognito lift kit to the 6 Inch setting.This Part Fits:YearMakeModelSubmodel2001-2006ChevroletSilverado 2500 HDLS2001-2010ChevroletSilverado 2500 HDLT2007-2010ChevroletSilverado 2500 HDLTZ2003-2010ChevroletSilverado 2500 HDWT2007-2010ChevroletSilverado 3500 HDLT2007-2010ChevroletSilverado 3500 HDLTZ2007-2010ChevroletSilverado 3500 HDWT2001ChevroletSuburban 2500Base2001-2013ChevroletSuburban 2500LS2001-2013ChevroletSuburban 2500LT2007ChevroletSuburban 2500LTZ2001-2002GMCSierra 2500SL2001-2004GMCSierra 2500SLE2001-2004GMCSierra 2500SLT2003-2004GMCSierra 2500WT2001-2002,2006GMCSierra 2500 HDSL2001-2010GMCSierra 2500 HDSLE2001-2010GMCSierra 2500 HDSLT2003-2010GMCSierra 2500 HDWT2001-2002,2006GMCSierra 3500SL2001-2006GMCSierra 3500SLE2001-2006GMCSierra 3500SLT2004-2006GMCSierra 3500WT2007-2010GMCSierra 3500 HDSLE2007-2010GMCSierra 3500 HDSLT2007-2010GMCSierra 3500 HDWT2001-2013GMCYukon XL 2500SLE2001-2013GMCYukon XL 2500SLT