CYLINDER WORKS CYLINDER KIT 100MM CYLINDER TOP GASKET SET AND VERTEX PISTON KIT HONDA CRF450R 02-08

Cylinder Works Cylinder Kit +4mm BIG BORE Kit) makes 488cc. 12.1:1 comp. Uses Vertex #22966. When using Hot Rods #4148 makes 511cc. Includes (Cylinder, Piston, Rings, Pin, Clips, Gaskets)