HOT RODS Crankshafts YFZ450 2004-2009,2012-2013
$359.95
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Heavy Duty (04-05) (+1.4mm stroke) makes true 450cc. Uses stock piston. Heavy Duty (06-08) standard stroke. When using Cylinder Works #21001-K01 makes 478cc. *Does not fit fuel injected R or X models