Motorcycle Accessories Cylinder Bore Size 66mm 66.25mm 66.5mm 66.75mm 67mm Piston Rings Full Kit For CRM250 246 KAE MD24 This piston rings full kit is designed for use with select motorcycle models and supports bore sizes ranging from 66mm to 67mm in 0.25mm increments.It includes a complete set of piston rings suitable for replacement or upgrade applications.The components are machined to consistent fitment and performance. The kit addresses common issues related to piston movement and cylinder wear, helping maintain engine compression and reduce blow-by.Proper sealing contributes to reduced oil consumption and lower friction, supporting efficient engine.Metal construction provides durability under -speed and -temperature conditions. Intended for use during engine maintenance or rebuilds, this set supports smooth and dependable performance when correctly installed.Suitable for riders performing routine repairs or seeking to restore engine functionality. This is a replacement item from an aftermarket supplier.Brand names are cited solely to demonstrate device compatibility.