This is the hand built Reds Racing M7WCS .21 7-Port World Cup Series On-Road Engine. The M7 World Cup S is the "State of the art" 3.5cc 1/8 On-road Touring Racing class engine. The engine has been optimized and provided with the highest technology to guarantee the best performance and reliability. Latest Technology The M7 World Cup S has been provided with a redesigned domed piston and an improved combustion chamber which allow increased torque. The domed piston guarantees additional power at low and medium RPM preserving fuel consumption. The WCS is one of the lightest engines in its category thanks to the redesigned lighter cooling head, combustion chamber and back-plate design. Simply Powerful Thanks to the updated timing of the 7 ports ABC cylinder, the engine provides high power at high RPM and low fuel consumption as well. The Extra Long Stroke XL engine geometry gives exceptional power at low-medium RPM, for a greater acceleration. The latest generation crankshaft...
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