Cylinder Works Big Bore Cylinder Kit 2mm 159cc 68mm 11004K01

Readytoinstall, direct bolton cylinders require no replating and look virtually identical to the OEM cylinders Big Bore Kit gives your vehicles more displacement 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 big bore gaskets, cylinder, bigger piston, rings, pin and clips Made in the U.S.A. and Italy NOTE 20042009 CRF250R20042015 CRF250X 269cc kit requires case machining to make the Big Bore kit fit. 20022014 YAMAHA YZ85 103.5cc kit requires case cylinder machining to make the Big Bore kit fit. 20022014 YAMAHA YZ85 107.8cc kit requires case and cylinder machining to make the Big Bore kit fit. Fitment 20072009 Honda CRF150R 20072009 Honda CRF150RB Expert