8pcs set of motorcycle engine parts designed for CBR 600RR CBR 600 F3 models.Includes oversize +25 connecting rod and crank shaft bearing components.Each set contains eight pieces engineered to fit specified engine configurations.The connecting rods are manufactured to increased dimensions for performance applications.Bearings are matched to the crank shaft specifications.Parts are intended for use in engine rebuilds or performance.This is a replacement item from an aftermarket supplier.Brand names are cited solely to demonstrate device compatibility.