As an authorized AMP Research dealer, GM-Trucks.Com located in, Henniker, NH is committed to helping you choose the right AMP Research product for your vehicle. With four PowerStep lines, BedSteps, Bed Xtenders and accessoriesGM-Trucks.Com will help you select all the options you need for your lifestyle. GM-Trucks.Com has a wealth of experience when it comes to power running boards, bed steps and bed extender products.GM-Trucks.Com 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 GM-Trucks.Com in Henniker, NH your local preferred AMP Research dealer.