... 3. 15KG metal throttle servo 4. alloy diff. gear set 5, 98% alloy parts Scale 1:51,Displacement 30.5cc 4 ... ,Chrome engine parts set38,Clutch spring for 8000r/min39,New style Hexagon clutch bell40,CNC alloy ball connector41,New throttle linkage set42,CNC alloy ... alloy top plate49,CNC steering linkage50,CNC alloy reinforce kits for engine51,CNC alloy integrative brake bearing support52,CNC alloy steering ...