Seller notes

Cylinder Works Standard Bore Cylinder Kit YAMAHA YZ450F YZ450FX WR450F Cylinder Works’ Standard Bore Cylinder Kits have everything you need to get your cylinder back to stock condition whether you’ve had a catastrophic failure or its time for a more in-depth rebuild. The cylinder features a nickel silicon carbide bore sized identically to OEM specs for incredible wear resistance, exceptional performance, and excellent ring seating. The Vertex piston included in the kit is forged from high-qu...

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