Pistons Rings Set M271 Φ82mm STD 2710305017 2710300324 For W204 W212 C200 C250 E250 CGI 1.8T Turbocharged Material: grade 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 grade aluminum.With a cylinder bore of Φ82.00mm and a bolt diameter of Φ20mm, the components are engineered to fit standard 0.00 spec engines.Ring thickness options of 1.2mm, 1.5mm, and 2.0mm allow for flexibility based on engine requirements.The set is compatible with selected models from 2007 to 2017 but is not intended for engines with cylinder expand fit design.