As an authorized AMP Research dealer, 4 Wheel Parts - Tucson located in, Tucson, AZ is committed to helping you choose the right AMP Research product for your vehicle. With four PowerStep lines, BedSteps, Bed Xtenders and accessories4 Wheel Parts - Tucson will help you select all the options you need for your lifestyle. 4 Wheel Parts - Tucson has a wealth of experience when it comes to power running boards, bed steps and bed extender products.4 Wheel Parts - Tucson 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 4 Wheel Parts - Tucson in Tucson, AZ your local preferred AMP Research dealer.