4PCS Piston & Rings Kit EJ7Z6108A EJ7Z6108B EJ7Z6108C EJ7Z6108E EJ7Z6135A For 2015-2019 Focus Mustang MKC 2.3L Material: cast iron Piston Diameter: 87.5mm Piston Pin Diameter: 22mm Compatibility: designed for 2015-2019 Focus, Mustang, and MKC 2.3L engines Quantity: 4PCS Piston & Rings Kit This 4PCS Piston & Rings Kit is constructed from cast iron and machined to precise specifications for use in 2015-2019 Focus, Mustang, and MKC 2.3L engines.With a piston diameter of 87.5mm and a pin diameter of 22mm, the kit provides a direct fit for engine rebuilds.The STD 0.00 specification compatibility with standard cylinder bores without requiring additional expansion.Designed for durability, the pistons support engine performance under normal operating conditions.Installation follows standard procedures for piston replacement. This is a compatible aftermarket component.Brand names are cited solely to show which devices it works with.