The PWR 7.75 x 8 x 2 9400 Piston Wear Ring by Freudenberg-NOK is designed for high-performance in hydraulic applications. With dimensions of 7.75 inches in diameter and a thickness of 2 inches, this wear ring is ideal for large piston assemblies. Constructed from durable materials, it provides excellent resistance to wear and enhances the efficiency of hydraulic systems. The 9400 series is recognized for its reliability and performance, making it a preferred choice for professionals seeking durable sealing solutions.