FITMENT - Air suspension kit fits for Chevrolet Silverado 2500HD 3500HD 2WD 4WD 2001-2010; for GMC Sierra 2500HD 3500HD 2WD 4WD 2001-2010
RELIABLE PERFORMANCE - Use high-quality steel with high load-bearing capacity and long life span, designed to relieve the pressure which usually placed on your vehicle's leaf springs when your vehicle is carrying heavy loads
TESTED QUALITY - Stress test more than 3 million times, 24 hours air tightness test ≤ 0.02MP, featured with high compressive strength and less noise
PRACTICAL INSTALLATION - The bolt-on installation requires no drilling or modification, you can easily install the kit by yourself and save a lot of time
PACKAGE INCLUDES - 2x Heavy Duty Double Bellow Air Ride Suspension bags, 4x Upper and lower mounting brackets, All brackets & hardware needed for installation