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Big Bore Cylinder Kit -Wiseco Piston/Gaskets YZ250F 2001-2013 83mm/290cc/131
Apex Cylinder + Wiseco + High Quality Gaskets. Wiseco Forged Performance ArmorGlide Piston Top End Kit 13:1 Compression. Makes your YZ250F a YZ290F. High Quality Top End Gasket Kit - Vertex-Cometic.
Description: New in the sealed box Apex Cylinder + Wiseco piston kit + high quality gaskets with valves seals. Wiseco piston is constructed of premium materials to produce the best sealing technology available exceeding OEM standards. Superior strength/weight ratio utilizing aerospace alloy with race proven designs.
CNC machined with optimal cam shape and profile for peak HP and service life. Premium top end needle bearing.
Precision machined, highest quality materials for strength and reduced friction. Extended life and sustained power. OEM in appearance but a fraction of the price. Nickel silicon carbide (NSC) electroplate bore which allows for tighter tolerances, lower friction, and extreme durability.
Precision diamond honed to exact bore dimensions and proper surface finish to ensure ring seal and oil retention. High Quality top end gasket kit with all gaskets + o-rings + valve seals.
Everything needed for a top end rebuild (picture shows Vertex, we also use Wiseco and Cometic as equal replace). Some items may have a slightly different appearance than what is shown in the picture.Please review the entire description to verify proper fitment.