Superior Ride Quality. Take your fifth-generation Ford Super Duty to new heights with Rough Country's 6-inch Radius Arm Drop Suspension Lift! This all-inclusive kit comes with everything you need for a total transformation of your truck. Run up to 37in tires while preserving the smooth, factory ride quality with this impressive upgrade.\ Durable Components. When changing a vehicle's suspension, the key to preserving ride quality is keeping the geometry of all suspension components as close to their factory angles as possible. Rough Country's new 6-inch Suspension Lift features a set of tubular radius arms, precision fit to bolt right into the factory mounts for an easier installation and a more factory-like angle. Fearing a massive 2" O.D. these beefy, upgraded radius arms dwarf stock equipment and feature durable rubber bushings for maximum vibration absorption.\ Installation. Requiring cutting and drilling to install, an estimated timeframe of 6-10 hours is recommended to complete this full installation. This full kit can be installed at home and can be completed efficiently and quickly!\ Limited Lifetime Replacement Warranty. Rough Country's 6-inch Suspension Lift Kit is backed with a limited lifetime replacement warranty towards manufacturer defects. As such, the product is protected from structural and workmanship damage after the date of purchase. With our industry-leading warranty give yourself peace of mind when using Rough Country's Suspension products!