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PERFORMANCE PROVEN

TRIED TESTED TORTURED LOSI NITROTEC R21 All internal components were made to give the engine the best performance possible and good fuel efficiency at the same time. For along time, Losi relied on outside suppliers for its power systems, but when the company started to produce RTR nitro vehicles, it had to develop an engine line of its own. Although they were developed for RTR, those engines are perfectly fine for racing at your local...
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