Air Springs Fully Adjustable From 5-35 PSI On Most Applications Helping To Level The Vehicle. Helps Eliminate Sag And Bottoming Out. Rugged Durable Components Including Air Springs And All Hardware. Straight Forward Install With Included Instructions. Up To 1000 Lbs. Of Leveling Capacity; Do Not Exceed Manufacturers Gross Vehicle Weight Rating. Air Bags Easily Fit Into The Coil Springs Of Coil-Sprung Vehicles The Most Versatile Of Air Lift Applications. Features Air Lift Lifetime Warranty With A 60-Day Ride Satisfaction Guarantee.