Owens Products OC7440CX1B ClassicPro Series Extruded 4in. Cab Length Running Boards Full size extruded aluminum stone guards protect your vehicle and board from road debris. Rough grit tape runs the entire length of the board for secure stepping year round. Easy to install body mount brackets are featured in the ClassicPro Series. Vans - without cladding Size - 4 in.Fits97-14 CHEVROLET&#47;GMC Full Size Van&#44; Cutaway ChassisSpecifications