This is our simplest, cost effective and easiest to install air ride system. There are a great number of finished vehicles out there that use a leaf spring rear suspension. The AIRoverLeaf system offers a great ride quality and extra load capacity W/out re-engineering your vehicle. Lowering is accomplished by removing 1 or 2 leaf springs. The air spring is then inflated to restore load capacity, ride height and spring rate. The AIRoverLeaf system is completely bolt-on kit that comes W/ air springs and requires little or no modification to your vehicle. Air Over Leaf W/ 4000 Lb. Capacity For 2 Inch-2.5 Inch Wide Leaf Spring W/ Side Frame Upper Mount Universal Fit 6 Inch Diameter 6781 Air Springs Brackets And Hardware Lowers vehicle ride height Improves handling Greatest application coverage and versatility Pre-engineered mounting hardware to maintain ground clearance, driveline angles, tire clearance and load capacities Improves ride quality!