44.7mm Cylinder Piston Ring Kit Fit For MS261 MS 261 Garden Tools Chainsaw 1141 020 1200 Replacement Spare Parts This piston ring kit is designed for use with MS261 and MS 261 chainsaws.It includes a cylinder piston ring set compatible with model numbers 1141 020 1200.The kit serves as a replacement part for garden tool engines, specifically fitting chainsaws requiring a 44.7mm diameter ring.Dimensions are measured manually and may vary by 1-5mm. Compatibility Disclaimer: This is an aftermarket replacement part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.