1. 30.5CC engine 2. 40KG metal gear steering servo 3. 15KG metal throttle servo 4. alloy diff. gear set 5, 98% alloy ... parts Scale 1:51,Displacement 30.5cc 4 bolt engine(with NGK and walbro carb.),single cylinder,two stroke,air-cooled2,Torque ... ,Rear wheel drive8,Rear disc. Brake9,15KG full metal gear throttle servo10,40KG metal gear steering servo11,Upgraded dominator exhaust pipe12, CNC ...