The Dirt King upper control arm alignment cams solve the common problem of keeping your GM truck aligned. Our alignment cams have holes to lock the alignment in place where the factory cams have a large oval that can easily shift. Our kit is the strongest of its kind on the market. Included are eight alignment cams laser cut from 3/16" thick steel and four 10.9 bolts. The Dirt King upper control arm alignment cams will work with nearly all suspension systems and great for daily drivers or aggressive off roading. Includes(8) Upper arm alignment cams(4) 10.9 bolts and hardware Compatibility1999-2018 Chevy Silverado 1500 2WD / 4WD1999-2018 GMC Sierra 1500 2WD / 4WD1999-2010 Chevy Silverado 2500 2WD / 4WD1999-2010 GMC Sierra 2500 2WD / 4WD2001-2010 Chevy Silverado 3500 2WD / 4WD2001-2010 GMC Sierra 3500 2WD / 4WD2000-2020 Chevy Tahoe 2WD / 4WD2000-2020 GMC Yukon 2WD / 4WD
