This product is specially designed to upgrade the performance of Hummer H2 suspension system. Manufactured by Air Lift, this load controller is using high technology manufacturing process to create high airflow, with vibration free and quiet operational system. This on board air compressor system maintains, inflates and controls air springs on heavy duty application. Completed with adjustable innovative compressor system this product is able to maintain air spring pressure in load or road conditions. This load controller is able to inflate two air springs at the same rate exactly at the same time. Completed with gauge and wiring harness this product is available in 14” L x 7” H x 8” W and ready to upgrade the suspension system performance of Hummer H2.