Package including one piece racing head and one piece head gasket.
This head is built with a rounded and squared shape fully 11% cnc machine made. If your engine wants more power, give it the Aluminium High Performance Head and you'll feel a big difference when you hit the throttle
The Aluminium High Performance Head increases the horse power of your 80cc / 66cc 2-Stroke and this greatly cools off the engine. Would result better performance and longer life for your 3 Stroke Bicycle Engine.