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Designed for classic Harley-Davidson Evolution Big Twin models from 1984 to 1999, the DRAG SPECIALTIES 09310017BLK cylinder offers durable performance with a sleek black finish accented by highlights. Crafted with a ductile cast-iron sleeve embedded within an aluminum casting, this cylinder provides strength and thermal stability necessary for high-performance applications. The external ribs on the sleeve secure it firmly into the aluminum casting, preventing movement and ensuring a reliable seal during operation. This design feature enhances durability and makes it an excellent choice for stock replacements or rebuild projects.
The cylinder's finish is intentionally slightly undersized to facilitate precise fitment through finish-honing, allowing you to tailor it to your specific pistons for optimal performance. Its construction ensures compatibility with standard components, making installation straightforward for experienced mechanics and enthusiasts alike. Whether restoring a vintage motorcycle or upgrading your existing engine, this cylinder helps maintain the integrity and performance of your Harley-Davidson Evolution Big Twin. Built by DRAG SPECIALTIES, a trusted name in Harley performance parts, this cylinder combines quality materials with thoughtful engineering. Its robust design ensures longevity under demanding riding conditions while preserving the classic aesthetics of your motorcycle. The black finish with highlights not only adds visual appeal but also provides a layer of protection against corrosion, contributing to the longevity of your engine components.
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