4pcs Piston and Rings Kit 87mm EJ7Z6108A EJ7Z6148A EJ7Z6108E EJ7Z6140A for 2015-2019 Focus Mustang MKC 4 Cyl 2.3L This piston and rings kit is designed for use with 2015-2019 Focus, Mustang, and MKC models equipped with the 2.3L 4-cylinder engine.The set includes four pistons and four piston ring sets, providing a complete replacement solution for engine rebuilds.Each piston has a diameter of 87mm and a piston pin size of 22mm, engineered to fit precisely within the engine cylinder for.The components are constructed using materials to support performance and longevity.Designed to meet STD 0.00 specifications, the kit supports consistent engine efficiency and function.The design and construction are intended to align with dimensions and performance standards, compatibility with specified vehicle applications.Installation requires standard tools and mechanical knowledge.No additional accessories or special are included or required for mounting.This kit is intended solely for use in designated engine models and should be installed by qualified personnel familiar with internal combustion engine systems.