1. 30.5CC engine 2. 40KG metal gear steering servo 3. 15KG metal throttle servo 4. alloy diff. gear set 5, 98% ... Rear wheel drive8,Rear disc. Brake9,15KG full metal gear throttle servo10,40KG metal gear steering servo11,Upgraded dominator exhaust pipe12, CNC ... parts set38,Clutch spring for 8000r/min39,New style Hexagon clutch bell40,CNC alloy ball connector41,New throttle linkage set42,CNC alloy front ...