As an authorized AMP Research dealer, K-Four Trailer Sales located in, Salina, KS is committed to helping you choose the right AMP Research product for your vehicle. With four PowerStep lines, BedSteps, Bed Xtenders and accessoriesK-Four Trailer Sales will help you select all the options you need for your lifestyle. K-Four Trailer Sales has a wealth of experience when it comes to power running boards, bed steps and bed extender products.K-Four Trailer Sales offers the best choice of PowerSteps, BedSteps, BedXtenders and accessories. They also sell and install other truck, Jeep & SUV accessories. If you want the best deal on a brand new AMP Research product and want it done right and quickly then head over to K-Four Trailer Sales in Salina, KS your local preferred AMP Research dealer.