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The S&S CYCLE V111 Long-Block Engine in the Black Edition offers a high-performance upgrade for Harley-Davidson models from 1984 to 1999 with big twin chassis. Designed specifically for Evolution® big twin engines and custom frames, this engine provides a significant 30% increase in horsepower and torque compared to stock configurations. Its short-stroke design reduces vibration and enhances engine longevity, making it a reliable choice for riders seeking both performance and durability. The engine's shorter height allows for easier installation, fitting seamlessly into a variety of custom builds without extensive modifications.Constructed with high-quality components, the V111 features S&S big-fin cylinders with increased fin area and dedicated oil jets that efficiently cool the pistons' bottoms during operation. Its high-volume, high-pressure (HVHP) oil pump ensures ample lubrication under demanding riding conditions. The durable three-piece flywheels from S&S provide smooth power delivery and longevity, while the performance-oriented 585 camshaft and valve springs optimize airflow and power output. With a bore and stroke of 4-1/8 inches and a compression ratio of 9.8:1, this engine strikes a balance between high performance and manageable compression for everyday riding.Note that this kit does not include a carburetor or ignition system; riders should use their stock or aftermarket components to complete the setup. Made in the USA, the V111 Long-Block Engine delivers top-tier craftsmanship and reliability for custom Harley-Davidson enthusiasts looking to elevate their motorcycle's performance with a proven, American-made engine upgrade.
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