King Performance Series rear shocks offer your Jeep Wrangler JL serious performance with a simple bolt-on installation. Built from lightweight hard-anodized 6063 aluminum alloy, King OEM performance shocks feature heat-treated 6061 aluminum alloy pistons, Rulon composite wear bands, large hard-chromed and micro-polished shafts, high-strength rod ends, and steel PTFE spherical bearings. These features, plus machined aircraft-quality billet aluminum components, vehicle-specific mounts, and real-world testing allow you to experience the famous King ride quality. Additionally, these shocks feature a compression adjuster knob that allows you to further fine tune the shocks to your liking. These shocks are completely bolt-on and provide on-road and off-road performance that only a King performance shock can provide!