4 Car Pistons and Rings Set Φ82mm for 1.8L W203 W204 A209 C200K M271 2710306617 2710300024 N000000000936 N073130020100 Piston and rings set designed for 1.8L M271 engine with supercharger (1796cc).Cylinder bore measures 82.0mm.Standard specification with no fit cylinder expansion.Compressed height is 29.9mm.Piston pin diameter is 20.0mm with a length of 56.0mm.Ring thickness: first ring 1.2mm, second ring 1.5mm, third ring 2.5mm. Compatible with vehicles requiring OE numbers 2710300024, 2710302217, 2710306617, A2710302217, A2710306617, A2710300024, N000000000936, N073130020100.Additional part numbers include 41811600, 0040800, 8770444, 8782640022, 0842760010, 800120910000, 00406N0, 791098004. Package includes 4 pistons with rings. Compatibility Disclaimer: This is an part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.