Material Type: Aluminium OEM Code: Cylinder: 2S2-11311-00-00, 2S2-11311-10-00, 2S2-11311-11-00, 2S2-11311-20-00, 2S2-11311-30-00 Piston Rings Kit: 2S2-11631-205TJ-11631-00, 2S2-11631-10 Cylinder Gasket: 2S2-11181-00-00 Package Including: 1 x Cylinder Kit Fitment: YZ450F 2006-2009, WR450F 2007-2011 The 95mm Motorcycle Engine Part Air Cylinder Block Kit & Piston Ring Kit & Gaskets is designed for YZ450F and WR450F models.The cylinder block is made from aluminium , offering a lightweight construction that aids in heat dissipation, helping to prevent overheating and supporting consistent engine performance.This kit includes a cylinder block, piston rings, and gaskets, providing the essential components for an engine rebuild.The parts are engineered to suit the demands of off-road and motocross use, delivering across various riding conditions.Suitable for riders maintaining or upgrading their motorcycle engine, this kit supports efficient engine function and durability.It is compatible with YZ450F and WR450F motorcycles from the specified model years, proper fit and integration.