The best lowering kit is here for your 2021 F150!! Ride comfort, quality and reliability all in 1 premium package!! This is the best kit out there hands down. We have built this kit using the best components on the market. -Viking double adjustable coil overs-Fox 2.0 Performance shocks-VAS Coil over mounts-VAS Flip kit-VAS frame bump stops- Replacement 18mm leaf spring bolt-Add a leafs for double cab or crew cab trucks! The Viking double adjustable coil overs allow you to fine tune your front suspension while the Fox 2.0 Performance shocks keep your rear end planted to the ground. Excellent ride quality!!Best of all this kit is 100% bolt on! Please allow 3-4 weeks for viking shocks and 1-2 weeks for Fox shocks. VAS parts are built to order and are usually 1 week out.