Product Description: High-Performance Engine Piston Ring Set for Gen III V8 Engines Enhance your engine’s performance and reliability with our premium Engine Piston Ring Set. Meticulously designed to meet original equipment standards, this set ensures optimal functionality and longevity for your vehicle's engine. OE Number: This engine piston ring set references OE numbers C10218, 2M4860, 41785, and E921K. It is precisely molded based on original specifications to ensure a perfect fit and reliable performance. Fitment: Specially designed as a replacement for Gen III 364 6.0L V8 engines, including LQ4 and LQ9 models from 1999 to 2006. Please verify your vehicle’s model and year of manufacture to ensure compatibility and optimal performance. Excellent Durability: Constructed from high-quality metal alloys, this piston ring set offers outstanding abrasion resistance. It is engineered to withstand high temperatures, speeds, and pressures, ensuring long-lasting durability and engine protection. Efficient Sealing: Designed for superior sealing performance, the piston ring set effectively prevents gas and lubricant leaks. This ensures a powerful sealing effect, reducing engine wear and enhancing overall engine efficiency and lifespan. Ideal Replacement: With a direct replacement installation, this piston ring set meets or exceeds OEM standards. It is the perfect solution for replacing old or damaged rings, restoring your engine to peak performance with ease. Upgrade your vehicle’s engine with our high-performance Engine Piston Ring Set. Designed for durability, efficiency, and easy installation, this set provides the reliability and performance you need for a smooth and powerful driving experience. Choose quality and ensure your engine runs at its best.