Crank it up with Rough Country's 2001-2010 Torsion Bar Leveling Kit. Featuring a set of durable, forged Torsion bar Keys, this kit affords you plenty of height without breaking the bank. Run up to a 285/75 R16 tire with this 1.5 - 2-inch Torsion Bar Kit. This setup levels the front of the vehicle with the rear for a killer stance and clean, level look.
'01 - '10 2500HD PU 1.5 - 2in GM Leveling Torsion Bar Keys
RPO codes starting with "FT" (FT2, FT3, FT4, FT5, FT6, FT7 should use #8592
RPO codes starting with "FK or FF" (FK2 - FK3 - FF6 - FF7 - FF8 - FF9) should use #8593