O.S. Engine Speed B21 Adam Drake Edition [VIDEO]
From O.S. Engine:
Power your way to the podium with this special Speed B21 engine that’s packed with upgrades from champion Adam Drake. It’s a terrific choice for trucks and buggies that delivers competition-caliber performance for demanding drivers. “If you’re looking for the ultimate off-road engine that performs in both buggies and truggies, the O.S. Speed B21 Adam Drake is the engine for you!” —Adam Drake.
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