The Case-IH A77772 Piston and Sleeve Repair Kit is a genuine OEM component designed for optimal engine performance in Case-IH 7100, 7200, and 8900 series Magnum tractors. This comprehensive kit includes a high-quality piston, cylinder sleeve, piston rings, piston pin, and pin retainers, ensuring a complete and reliable engine overhaul. Engineered to precise specifications with a bore of 107.95 mm (4.25 inches), this kit restores engine compression and efficiency, extending the lifespan of your agricultural machinery.