Motorbike Motorcycle Accessories Bore Size 67mm Piston Rings For CBR600RR CB500 CB600F CBR600F CBR 600 CB 500 CB600 F The piston rings are designed to meet the specifications of motorcycle models with a 67mm bore size, including CBR600RR, CB500, CB600F, CBR600F, and similar variants.Manufactured under ISO9001 standards, these piston rings support engine performance and durability.The material composition low volatility at temperatures, contributing to consistent under demanding conditions.Constructed from metal, the piston rings are engineered for precise fitment and efficient combustion sealing.This set includes one complete piston ring set suitable for replacement or rebuilding engines on compatible models.Designed for straightforward installation, the components integrate smoothly into standard rebuild procedures.Regular maintenance and proper engine setup are recommended to function and service life.These piston rings serve as a functional part of engine restoration, supporting sustained performance in standard and use applications.