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The HASTINGS 7003020 piston ring set is designed for 3.188-inch bore engines with a +0.020-inch oversize, specifically tailored for 1000 XL applications. This comprehensive set includes top compression rings, second compression rings, and oil control rings, providing all essential components for optimal piston performance and engine longevity. The top compression ring features a torsional design that enhances gas side sealing and oil control, with options for barrel or straight face configurations to suit specific engine needs. The second compression ring is also torsional, incorporating a twist design that creates a scraping edge to efficiently wipe oil from the cylinder wall and direct it into the crankcase, aiding in maintaining proper lubrication and reducing oil consumption. The oil control rings are three-piece flex vent assemblies, engineered to conform closely to the cylinder bore for superior oil regulation. These rings feature a small cross-sectional area for better bore contact and include four steel rails and two expanders to ensure even pressure distribution, resulting in consistent oil control throughout engine operation. Made in the USA, each set contains enough rings for two pistons, with two rings per groove and two rail rings per expander ring, ensuring compatibility and ease of installation. Designed for durability and reliable sealing, the HASTINGS piston rings are an excellent choice for rebuilding or upgrading your 1000 XL engine, providing enhanced performance, oil control, and longevity under demanding operating conditions.
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