New in factory box.
Model # CBK0137
Important: Must use Vertex Stroker piston 23624A. Cannot be used with stock piston.
Kit includes Stroker Crankshaft, Gasket Set, Oil Seal Kit, and Main Bearing and Seal Kit
+4mm stroke. Makes 719cc.
FITS ONLY:
Yamaha Raptor 660 R 2001-2005