This is the Rear Chassis Plate for use on the HPI Baja 5B 2.0 (HPIC1629). FEATURES: Aluminum construction Gunmetal in color INCLUDES: One Rear Chassis Plate REQUIRES: Installation on the vehicle SPECS: Length: 285mm (11.2") Width: 125mm (4.9") Thickness: (4mm) 0.16" HPIPart HPI102169