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The HardDrive TC103 Cylinder features a durable aluminum construction with cast iron sleeves, designed specifically for Harley-Davidson EVO and Sportster engines. These cylinders are powder coated in black with machined fins, providing an authentic OEM appearance while ensuring effective heat dissipation and a sleek aesthetic. They are ideal as direct replacements for stock cylinders or for increasing engine displacement to boost performance. Each cylinder is sold individually and requires finish honing and matching to pistons, which are sold separately, to ensure proper fit and optimal operation. The TC103 cylinders are engineered for reliable performance and durability during high-demand riding conditions. Whether you're restoring a vintage Harley or upgrading your current engine, these cylinders offer quality and compatibility for a seamless installation. Proper assembly with matched pistons will help achieve peak engine efficiency and power output, making them a versatile choice for custom builds or maintenance projects.
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