New from Sworkz is the SPower S6TT “Dark Edition”, the next step in the development of the successful S6TT.  This special edition impresses with improved stationary operation and vibration-reduced running behaviour in the high speed range.  Of course, it has all the features of a top high-performance engine, such as DLC crankshaft and high-tech ceramic … Continue reading SPower S6TT “Dark Edition” .21 Off Road engine