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The Hastings Part 6482060 piston ring set is designed for 1200 cc Big Twin engines, offering reliable performance and enhanced engine efficiency. This comprehensive set includes top compression rings, second compression rings, and oil control rings, providing all necessary components for proper piston sealing and oil management. The top compression rings feature a barrel face with cast coating, which aids in heat transfer between the piston and cylinder wall, helping to maintain optimal operating temperatures. They also control combustion gases, allowing the piston to transfer energy effectively to the crankshaft for smooth power delivery. The second compression rings are reverse torsional taper face rings that promote side sealing and prevent oil from passing under and behind the rings, contributing to improved oil economy. Their reverse twist design, combined with a taper-machined ring face, mimics the scraping edge of positive twist torsional rings, enhancing sealing performance. The oil control rings are designed with a three-piece flex vent construction, which allows the rails to be manufactured with a small cross-sectional area for better conformability to the bore. This design provides uniform pressure through four steel rails and two expanders, ensuring consistent oil control and reducing piston ring blow-by. Made in the USA, this set includes enough rings for two pistons, with two rings per groove—except for the rails, which are supplied as two rail rings per one expander ring. The Hastings piston rings are engineered for durability and optimal performance, making them a suitable choice for high-performance and everyday riding applications. Whether you're rebuilding or upgrading your Big Twin engine, these rings provide the quality and reliability expected from Hastings.
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