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Sebastian and Tomek are two enthusiasts, mechanics, motorcyclists, engineers, world-class specialists, designers. Sebastian - a master of casting, who designed and manufactured the new engine block himself, using the garage method. Tomek, on the other hand, measured everything and calculated the optimal parameters. Their engine is unique, not only because it is made by Poles, in Poland and from scratch, but also because its heads will be equipped with unique rotary valves... Do you want to contribute to this success? Support Tomek and Sebastian even with a symbolic amount... https://zrzutka.pl/jtmgxd Follow the OHRV engine designers profile on Facebook - / ohrv2