The Hendrickson Bumper and Trim All Makes AERO GUARD resin bumper for International ProStar features a fixed mounting bracket that retrofits to all truck year models. AERO GUARD bumpers are exclusive to Hendrickson and are engineered for increased impact durability and to weigh less. The AERO GUARD bumper for ProStar offers nearly 3.75" of additional ground clearance compared to the factory supplied plastic bumper and is available in a two-piece design.