Evolution Engines Evolution .52NX Heli Glow Engine without Muffler

Evolution Engines Evolution .52NX Heli Glow Engine without Muffler Features

• Fits common and popular 50-size helis on the market
• Designed to be the most powerful in its class
• Incorporates SetRight™ needle valve assembly
• Piston/liner made of unique combination of ABC
• Uniquely designed cooling head
• Throttle arm markings on throttle side of the carb body and throttle barrel for easy engine tuning