2M5523 4.000 Inch Bore Piston Rings

The Hastings 2M5523 Piston Ring Set is engineered for a 4.000-inch bore, providing a precise fit for optimal engine performance. This set includes eight individual ring sets, each featuring a 1/16-inch top ring, a 1/16-inch second ring, and a 3/16-inch oil ring with standard tension. Constructed from premium ductile iron with a plasma moly coating, these rings are built for durability and enhanced performance in high-torque applications. The material choice and construction aim to reduce friction, improve heat transfer, and ensure effective oil control within the cylinder. This set is designed as a direct drop-in replacement, simplifying the installation process. The product information indicates US-based engineering and a focus on oil control technology, stemming from over 100 years of innovation in piston ring design.