ATV 95mm YFZ450 Cylinder Block Kit For WR450F WR YFZ 450cc 5TA-11311-12-00 This cylinder block kit is designed for compatibility with specified ATV models.It includes a 95mm bore cylinder and associated components necessary for engine rebuilds or performance.The kit fits select 450cc engines and is intended for use in replacement or restoration projects.-machined parts proper fitment and.Suitable for use with specific model years of compatible vehicles requiring cylinder overhauls.Part number 5TA-11311-12-00 corresponds to the included cylinder component. This replacement is made by an independent supplier.All brand references are used solely to indicate compatibility.