Enhance your vehicle's load-carrying capacity with SuperSprings' rear SumoSprings. Each SumoSpring is handcrafted with care, resulting in unique natural characteristics like subtle color variations and surface bubbles - a testament to the craftsmanship behind every piece. These maintenance-free rear suspension enhancements are designed to provide a better driving experience. Crafted from microcellular polyurethane, they reduce rear-end sag, increase load capacity, and minimize vibration, sway, and harsh rebounds. The SSR-623-47 has a 1,800 pound capacity when compressed 50 percent. To maintain full memory rebound, the Black SumoSprings should not be compressed beyond 65 percent of their original height. These Black SumoSprings are backed by SuperSprings limited lifetime warranty agains defective materials and workmanship. SuperSprings International got its start in South Africa some 30 years ago, and since then they've become a globally acclaimed brand with a mission to make journeys better all over the world. - Vehicle Compatibility: Fits 1998-2007 LX470 2WD 4WD, 1998-2007 Landcruiser 100 4WD, 2001-2007 Sequoia 2WD 4WD, 2003-2009 GX470 2WD 4WD, 2003-2009 Landcruiser 120 Prado 2WD 4WD, 2003-2023 4Runner 2WD 4WD, 2007-2014 FJ Cruiser 4WD, 2010-2021 Land Cruiser 150 Prado 4WD and 2010-2021 GX 460 2WD 4WD.