O.S. Speed 21VZ-B V-Spec II OS L-OS13911 mpionships you need the best engine... and this is it! From tough new aluminium cylinder head with cooling efficiency holes, to the ceramic rear bearing and the specially plated crankshaft with heavy metal balance inserts, the Speed 21 is all about no compromise. The engine of choice for the 2008 World Champion, Atsushi Hara, and most of the top seven finishers!
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