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The S&S Cycle T143 Long Block Engine offers a high-performance upgrade designed specifically for Dyna models, combining durability with impressive power output. Crafted with precision, this engine features CNC-machined B3 cylinder heads with two-bolt exhaust flanges that ensure optimal sealing and longevity. The engine is equipped with S&S 635 easy-start gear drive cams and 1.725:1 rocker arms, providing a total lift of .674 inches for increased airflow and horsepower. Built with S&S Super Stockâ„¢ T2 crankcases and reed breather valve three-piece flywheels, it delivers robust performance and reliability. The high-flow oil pump and cam cover further enhance lubrication efficiency, while the premium high-performance tappets ensure smooth operation. Made in the USA, this engine is designed for easy installation in stock chassis without the need for cutting or frame modifications. Please note that the engine does not include a carburetor, intake system, or ignition system, which must be purchased separately. The revised oil routing on models from 1999 to 2006 eliminates the need for an oil line installation kit, simplifying installation and maintenance. Perfect for enthusiasts seeking a custom, high-performance upgrade, the S&S T143 engine combines quality craftsmanship with exceptional power output and reliable operation, making it an ideal choice for Dyna owners aiming to enhance their motorcycle's performance and appearance.
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