... 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 ... and drag link set36,CNC alloy air filter37,Chrome engine parts set38,Clutch spring for 8000r/min39,New style ... Hexagon clutch bell40,CNC alloy ball connector41,New throttle linkage set42,CNC alloy front and rear ...