O.S Speed B2103 Type-R & Type-S engines
O.S. Engines have introduced their new Speed B2103 Type-R and Type-S 3.5cc buggy engines. As for the Type-R engine, the long-stroke 5-plus-3-port power plant was developed for medium to high speed tracks and it features a new crankcase, end cap and 22E carburettor with the DLC-coated crankshaft coming tungsten balanced. The engine utilises a tall cooling head for best possible cooling in high ambient temperatures.