Piston Ring +0.5mm 11257601181 11257584117 11257601077 07119903463 for 10-16 Countryman Paceman 1.6L N13B16 N18B16 This piston ring set is designed for use with 1.6L N13B16 and N18B16 engines found in 2010–2016 Countryman and Paceman models.The set includes an oversize +0.5mm piston and ring assembly, intended to restore proper cylinder sealing and compression in engines with bored or worn cylinders. The standard specifications include a cylinder bore of 77.00 mm, compression height of 28.5 mm, land height of 5.5 mm, overall length of 51.2 mm, bolt length of 48 mm, bolt diameter of 20 mm, and recess diameter of 34.7 mm.The design supports efficient combustion and engine under normal operating conditions. Compatible part numbers include 11257584117, 11257601077, 11257601181, 07119903463, 11257566479, WG1261177, WG1790960, 081PI00110000, 081RS001040N0, and 8744480000.The component is constructed from aluminum and engineered to meet dimensional and performance standards.This complete piston and ring set is intended as a direct replacement for the specified applications. Compatibility Disclaimer: This is an aftermarket replacement part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.