O.S. FSa-56 II with F-4040 Silencer

Part No: L-OS34330

Latest version of this popular sized, high-performance four-stroke engine.Features a black rocker cover to suit the appearance in scale models better plus a revised oil breather system. The breather n...

£355.00
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Latest version of this popular sized, high-performance four-stroke engine.

Features a black rocker cover to suit the appearance in scale models better plus a revised oil breather system. The breather now vents from the crankcase rather than being re-ingested in the inlet, to improve running consistency.