GMC Sierra 3500HD 07-10 2WD 4WD 8-Lug. Chevy Silverado 3500HD 07-10 2WD 4WD 8-Lug. GMC Sierra 2500HD 01-10 2WD 4WD 8-Lug. Chevy Silverado 2500HD 01-10 2WD 4WD 8-Lug. The UCA’s are a direct fit and will work on trucks that are have leveling kits, or lift kits.
