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The HASTINGS 2M5069 piston ring set is designed to provide reliable sealing and efficient operation for 1200 XL engines with a 3.498-inch bore. This set includes top compression rings, second compression rings, and oil control rings, all engineered for optimal performance and durability. The top compression rings feature a barrel face that promotes heat transfer between the piston and cylinder wall, helping to maintain proper engine temperature and prevent overheating. They also effectively control combustion gases, ensuring maximum energy transfer from expanding gases to the crankshaft for smooth power delivery. The second compression rings utilize a Napier, reverse twist design with a taper-machined face that mimics positive twist torsional rings, enhancing side sealing and preventing oil from being forced into the combustion chamber. This results in improved oil economy and cleaner emissions. The oil control rings are three-piece flex vent style, featuring steel rails and expanders that conform closely to the bore, providing consistent pressure for superior oil regulation. Made in the USA, this set is designed for two pistons, with two rings per groove except for the rails, which include two rail rings per one expander ring. Whether you're rebuilding or performing routine maintenance on your engine, these high-quality Hastings piston rings ensure effective sealing, heat management, and oil control for long-lasting, efficient engine performance.
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