Air Lift Performance 3P is our most advanced air management system yet, it took three years to develop and test until it met our standards. The system combines an easy-to-use and reliable air management with a design that stands the test of time. 3H combines pressure-based control with ride-height sensing technology. While both types of air management have been utilized before, this product harnesses the power and benefits of both systems – instantly improving suspension control, performance, and vehicle ride flexibility. Have convenience, customization, and accuracy in your air management system with Air Lift Performance 3P.