ONE tuning parts for O.S. Speed engines

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After presenting to the public their own 2.1cc tuned engine, ONE is introducing their new option parts for the O.S. Speed .21 R21 family. Coming from the high precision CNC machines are a high resistance conrod made out of a top-grade, special aluminium and a tuned blackplate, which sports a design conceived to increase the speed of the fresh charge flow into the combustion chamber.

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