- New
The Ultimate MXR v3 Ceramic DLC is Ultimate Racing's most advanced .21 square-stroke competition engine. Manufactured by O.S. Engines, it features a FlowMax 6.5mm venturi, new lower-sensitivity high-speed needle, O.S. ceramic rear bearing and includes the Ultimate Airmax filter set. Linear power across the full RPM range, exceptional idle and optimised fuel consumption.
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