4pcs Engines PISTON & RING Set 11257601181 11257601077 For 2010-2016 Countryman Paceman N18 B16 A C STD Car Parts Replacement piston and ring set designed for vehicles equipped with N18 B16 A C STD engines.This set includes 4 pistons and rings, engineered for durability and performance.Constructed from grade aluminum, the components are designed to withstand operational stress and provide function over extended use.The design supports improved engine power and efficiency, making it suitable for engine rebuilds or performance. The set is intended for use in models from 2010 to 2016, including Countryman and Paceman variants.It is built to align with specifications, proper fitment and integration into the engine system.Installation does not require specialized tools and can be completed using standard mechanical procedures. Disclaimer: This aftermarket part is not affiliated with the manufacturer.Mentioned brands/models are for compatibility identification only.