This is the factory foam bumper for the HPI 1973 Porsche Carrera RSR body. Made from dense foam, it mounts to the chassis to protect the body during impacts at the front or rear. Two mounting holes allow it to be secured directly to the chassis with screws. Features: Dense foam construction for impact absorption Two mounting holes for direct chassis attachment Designed for the HPI 1973 Porsche Carrera RSR 7/7/26 cs