COMPATIBLE MODELS: 2009-2022 RAM 1500 Pickups2009-2022 RAM 1500 Classic Pickups REPLACEMENT OEM NUMBER: Air Lift 60818 HEAVY DUTY AIR SPRING KIT Air spring kits are direct replacements to Firestone kits, Installation is nearly identical Our air spring kits will supply an additional 4,000 lbs, provide better handling and ride comfort. EXCELLENT QUALITY Air suspension bags are made of high density rubber, good air tightness and durability. Maximize air suspension load performance. RELIABLE PERFORMANCE KEIYSHOLCK devoting to produce high value replacements and always make improvements after get feedback from our customers. These air ride springs have been upgraded in air sealing and durability, have excellent safe load-bearing capacity and stability. EASY AND FAST INSTALLATION Replacing original parts directly, usually finish within two hours or less. For safety and efficiency, professional installation is highly recommended. ADVANCED PRODUCTION TECHNOLOGY PROCESS Aluminum alloy CNC cutting, high quality, high density, good heat dissipation, solid and durable. Laser welding forming, damping design, shock absorption, sealing, filtering, throttling, eliminating abnormal sound.