Hastings +.010″ Moly Piston Rings for 1200cc Big Twin Engines

Description

**Hastings Moly Piston Rings for Big Twins** These high-performance moly-faced piston rings are designed for durability and enhanced heat resistance, making them an excellent choice for Big Twin engines. They feature reverse torsional taper face second rings and easy-to-install three-piece oil rings. Each set is designed to fit two pistons. – **Late 1200cc Models**: Hastings #6482 replacement rings for 74″ OEM pistons with a standard bore of 3.438″. Compatible with 1955-1980 Big Twin models. – **Early 1340cc Shovelhead Models**: Hastings #6127 replacement rings for OEM pistons with a standard bore of 3.498″. Includes 3/16″ oil rings and 1/16″ compression rings. Fits 1978-early 1983 FL and 1979-early 1982 FX models. – **Late 1340cc Evolution Models**: Hastings #6164 replacement rings for OEM pistons with a standard bore of 3.4978″. Includes 5/32″ oil rings and 1/16″ compression rings. Fits late 1984-1999 Evolution Big Twin models. – **Twin Cam 88 (1450cc)**: Hastings #2M4942 replacement rings for OEM pistons with a bore of 95.25mm (3.750″). Includes 3.0mm oil rings and 1.5mm compression rings. Fits 1999-2006 Twin Cam models. – **Twin Cam 95 (1550cc)**: Hastings #2M4941 replacement rings for OEM pistons with a bore of 98.43mm (3.875″). Includes 2.5mm oil rings and 1.5mm compression rings. Fits 1999-2008 Twin Cam models. These piston rings provide reliable performance for a variety of engine sizes and configurations, ensuring long-lasting efficiency and compatibility with OEM pistons.