Cylinder Works Big Bore Cylinder Kit
Fitment:
-19-20 Yamaha WR450F
-18-19 Yamaha YZ450F
-19-20 Yamaha YZ450FX
Specifications:
-Compression Ratio: 12.8:1
-Cylinder Diameter: 99mm
-Cylinder Kit Type: Big Bore
-Displacement: 470cc
-Engine Type: 4-Cycle
-Includes: Cylinder, Piston Kit, and Top-End Gasket Kit
-Uses Vertex #24369
Features:
-OEM in appearance
-Increases horsepower and engine displacement
-Includes a hand matched, forged Vertex big bore piston made from the highest quality 2618 aluminum alloy for superior strength and durability
-Includes top end gasket kit that includes all gaskets and o-rings needed for a top end rebuild
