This is a replacement crankshaft for the O.S. SPEED 21VZ-B V-Spec engines.
This product was added to our catalog on September 27, 2007
Tuesday, Mar 29 2011 (about 10 years ago)
O.S. Crankshaft (Speed .21)
excellent item. i put it in my os max 21 vzb vspec and it was the same power at 100 celcius temp with 6 ventury. before i run it in 120 celcius temp with 8 ventury. excellent top end in engine and also the engine is economy. i thing is a good purchase!!!