RB Concept R3 RC engine
RB in France have released the first information on the new R3 RC touring car engine. This new .12 motor is based on the race winning standard R3 yet sports a number of new upgrades such as the orange anodised long stroke carburettor venturi, a new lightened hand made crankshaft as well as new extreme intake timing and a newly engraved low centre of gravity cooling head.
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