OEM number EJ7Z6108A EJ7Z6108E EJ7Z6135A Design standard 0.00 specification no fit cylinder expansion Piston pin diameter 22mm Piston diameter 87mm Compatible with 2015 19 Focus Mustang MKC 2.3L engines Package includes one set of four pistons and one set of piston rings This 4 piece per set STD Piston and Rings kit is built for use with 2.3L engines commonly found in select vehicle models The 87mm piston diameter maintains proper cylinder compression and supports consistent power output The 22mm piston pin ensures correct alignment and fitment within the engine block The kit is designed for direct replacement in specified applications and includes all necessary components for installation Each set contains four standard size pistons and a full set of matching piston rings allowing complete assembly without additional purchases Materials are selected to handle normal operating conditions associated with daily driving and moderate performance use The construction supports and under typical engine loads Suitable for engine rebuilds or performance this piston and ring set helps restore engine function and contributes to smooth and stable performance when properly installed Compatibility Note: This is a third-party replacement component.Brand and model references are included solely to indicate fitment.