Posts Tagged ‘rs2101’

O.S. Engines Speed R2101 Engine

A BIG boost in performance for 1/8 scale on-road! Take the winning heritage of the OS 21XZ-R, combine it with the 21XZ-B’s superb features and what do you get? The Speed R2101: the top choice for 1/8 scale on-road! Its specially designed 7+3 port cylinder liner ensures smooth acceleration, great power and improved economy. The […]

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