Uses Vertex #23534
Compression Ratio12.0:1
Cylinder Diameter99 mm
Cylinder Kit TypeBig Bore
Displacement478 cc
Engine Type4-Cycle
IncludesCylinder, Piston Kit, and Top-End Gasket Kit
Size Over Standard3.0mm
Use with Hot Rods Crankshaft #4170 for 500cc!!!
Passar
CRF450R 09-12