OS Engines Speed R2106 .21 On Road Engine Only
SKU: OSM1EY00





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The O.S. SPEED R2106 is a factory-tuned engine developed for 1/8 on-road racing competitions.
- Specifically designed and tuned for 1/8 on-road racing competitions
- Newly designed 9-port cylinder liner to enhance mid-speed power
- Utilises the well-established EURO2 crankshaft
- Equipped with a rear bearing using ceramic balls for a smoother and more efficient performance from low speeds
- Features a reinforced connecting rod for added durability and reliability under racing conditions
- Newly designed carburettor that allows for easier adjustments in the racing environment









