Cylinder Works Vertex 470cc +2mm Big Bore Cylinder Kit 2010-2013 Yamaha YZ450F
Cylinder Made in the USA. Piston kit made in Italy by Vertex. Gasket kit made by Vertex in Taiwan. 2010 - 2013 Yamaha YZ 450F. 99mm (+2mm over stock) big bore cylinder kit.
Standard compression big bore Vertex piston kit. Kit Includes: Big bore Cylinder, Complete Big Bore Piston Kit, and Top-End Gasket Kit. _gsrx_vers_625 GS 6.9.7 (625).