... .5CC engine with walbro and NGK 2. 40KG metal gear steering servo 3. 15KG metal throttle servo 4. alloy diff. gear set ... ,Rear wheel drive8,Rear disc. Brake9,15KG full metal gear throttle servo10,40KG metal gear steering servo11,Upgraded dominator exhaust pipe12,CNC ... ,CNC alloy F&R A arm set31,8000 spring clutch New style upgraded 1/5 RC gas rc car 30.5cc 305AT ...