{"GM":["(1996-2000 4WD with cast lower control arm) C30, C3500, K30, K3500","(1996-2000 4WD) K20, K2500 (with cast lower control arm)","(1996-2000 4WD) K30, K3500 (with cast lower control arm)","(1999-2006 2WD) 1500 Sierra, Silverado, Denali (excluding 4 door-4WD)","(1999-2008 2WD & 4WD) 2500 Sierra, Silverado, 1500HD, 2500HD","(2000-2006 2WD) Suburban, Yukon XL 1500","(2000-2008 2WD & 4WD) Suburban, Yukon XL 2500","(2001-2006 2WD) Yukon, Tahoe","(2001-2007 2WD & 4WD) 1500 HD Sierra, Silverado (including Classic)","(2001-2008 2WD & 4WD) 3500 Sierra, Silverado","(2002-2006 2WD) Denali, Escalade","(2002-2008 2WD & 4WD) 2500 Avalanche (Gross vehicle weight 8,600 lbs.)","(2003-2007 4WD cab & chassis conventional) Hummer H2","(2007-2008 2WD & 4WD) 3500 HD"]}