11257566019 STD 77mm Piston & Ring Set for 2006-16 R55-R61 N14 TURBO Cooper Countryman 1598 CC / 16V Engine Accessories Material: Aluminum Product Type: Piston & Ring Set Engine Compatibility: R55-R61 N14 TURBO Cooper Countryman 1598 CC / 16V Engine Size: Standard 77mm Bore OE Number: 11257566019 Package Contents: 4x Piston, 12x Piston Ring, 4x Wrist Pin, 8x Snap Ring The 11257566019 STD 77mm Piston & Ring Set is designed to restore engine performance.Constructed from aluminum, the set offers durability and resistance to wear.The standard 77mm bore size is engineered to match specifications, proper fit and.The complete package includes 12 piston rings, 4 wrist pins, and 8 snap rings, providing all necessary components for engine rebuilding. This piston and ring set is compatible with multiple models including R55, R56, R57, R58, R59, R60, and R61.The design supports straightforward installation, allowing for efficient engine reassembly. Compatibility Disclaimer: This is not an OEM item.Mentioned brands/models are used strictly for fitment illustration.