As an authorized AMP Research dealer, 401 Motoring located in, Portsmouth, RI is committed to helping you choose the right AMP Research product for your vehicle. With four PowerStep lines, BedSteps, Bed Xtenders and accessories401 Motoring will help you select all the options you need for your lifestyle. 401 Motoring has a wealth of experience when it comes to power running boards, bed steps and bed extender products.401 Motoring 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 401 Motoring in Portsmouth, RI your local preferred AMP Research dealer.