O.S. SPEED B21 Adam Drake .21 Off Road Engine

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Drake Edition Nitro Engine. Just announced by O.S. Speed is the B21 Adam Drake Edition nitro engine. The new Drake engine is a .21 that was designed for both buggy and truggy racing

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Designed according to Adam Drake's advice and taste.New design cylinder liner with new porting .New design crankshaft with double tungsten counter weight .New bore x stroke. Included Carburetor reducers are 6.5mm and 8.0mm to suit both powerful drive and fuel economy drive. OS SPEED P3 GOLD plug is included for more consistent idling.

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