Motorcycle Bore 95mm Air Cylinder Block Engine Part Accessories For YZ450F 2003-2005 WR450F YFZ450 2004-2013 This cylinder block is designed for motorcycles requiring a 95mm bore size.It serves as a replacement part for the engine's air cylinder assembly and is compatible with specific models including YZ450F from 2003 to 2005, WR450F, and YFZ450 from 2004 to 2013.The part integrates into the engine system to support proper cylinder function and performance.It is intended for use in engine rebuilds or where a larger bore diameter is needed.Installation requires standard mechanical tools and knowledge of engine components.