Motorcycle Engine Part Piston Rings Kit Size 66mm ~ 67mm For CRM250 246 KAE MD24 CRM 250 Piston rings kit made from nodular cast iron material, designed for engine repair and replacement.Available in multiple sizes including 66mm, 66.25mm, 66.5mm, 66.75mm, and 67mm diameters to support various fitting requirements.Suitable for use with CRM250 246 KAE MD24 models, proper fitment and engine performance.The kit includes a complete set of piston rings for full replacement.Constructed to meet standard material specifications with stable thermal resistance up to 105℃.Designed for straightforward installation as part of routine maintenance or engine overhaul. Compatibility Disclaimer: This is an aftermarket replacement part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.