FEATURES: Ideal for use in any 50 class helicopter New head design offers improved combustion efficiency for stable hovering and aerobatic flight;INCLUDES: One O.S. Max .50 SX-H Helicopter Engine with Hyper Cooling Head, 60LH carburetor (OSMG2469), decal sheet, #8 glow plug, instruction manual;REQUIRES: 10% to 30% nitro Fuel with at least 18% lubricant (Helicopter Mix) Starting equipment

• MAX-50SX-H RING HYPER (helicopter engine) 15550 (Japan import / The package and the manual are written in Japanese)

MAX-50SX-H RING HYPER (helicopter engine) 15550 (Japan import / The package and the manual are written in Japanese)Hobbico Inc