New HOT RODS Cylinder Rebuild Kit - Big Bore For HONDA CRF450R H-11006-K01

Big Bore Cylinder Kit HON CRF450R 09-12 (+3mm) makes 478cc 12.0:1 Uses Piston V-23534

+3mm Big Bore Cylinder Kit. 478cc. 12.0:1 Comp. 99mm. Includes (Cylinder, Piston Kit, & Top-End Gasket Kit). Uses Vertex #23534. Makes 500cc when used with Hot Rods Crankshaft #4193.