Pistons Rings Set M271 Φ82mm STD 2710305017 2710300324 For W204 W212 C200 C250 E250 CGI 1.8T Turbocharged Material: aluminum Bolt Diameter: Φ20mm Cylinder Bore: Φ82.00mm Ring Thickness: 1.2mm, 1.5mm, 2.0mm Package Contents: Piston set, Piston ring set Compatibility: W204, W212, C200, C250, E250 CGI 1.8T Turbocharged models This piston and ring set is designed for vehicles equipped with the M271 1.8T turbocharged engine.The set includes a piston set and a piston ring set made from aluminum.The cylinder bore measures Φ82.00mm with a bolt diameter of Φ20mm, proper fitment for compatible engines.Available ring thickness options are 1.2mm, 1.5mm, and 2.0mm, suitable for various engine requirements.This set is intended for standard 0.00 spec engines and is not compatible with models using cylinder expand fit technology. This replacement is made by an independent supplier.All brand references are used solely to indicate compatibility.