- Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders
- Cylinder kits include matched Vertex pistons to ensure longevity, performance and reduced engine noise
- Nickel Silicon Carbide plated for long life
- Kits come complete with gaskets, cylinder, piston, rings, pin and clips
- Big bore cylinders do not require machine work
- Made in the U.S.A.
Yamaha -- YZ 450 F -- (2009, 2007, 2006, 2008); Yamaha -- WR 450 F -- (2007, 2008, 2009, 2010, 2014, 2011, 2012, 2015, 2013)