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Designed for high-performance motorcycle builds, the S&S Cycle MK-Series B Crankcase (Part No. 310-1326) offers a robust foundation for your M8 Softail engine. Featuring a stock deck height and large-volume sump, this crankcase provides ample oil capacity and improved oil control, essential for enhanced engine longevity and performance. The machined, close-fitting oil scraper replaces the stock cast version, ensuring better oil scrapping and reduced oil consumption. This precision-machined component is crafted in the USA, reflecting high-quality manufacturing standards and durability.
This crankcase is ideal for builders aiming to accommodate larger bore kits and achieve increased horsepower. It allows for installation of bigger cylinders, such as a S&S 136" kit, and a 4 5/8" stroker crank (sold separately), providing a solid platform for big-bore engine projects. Its design ensures compatibility with the stock Softail frame, maintaining original fitment while enhancing performance capabilities.
Including the Manufacturer's Statement of Origin (MSO), this part guarantees authenticity and traceability. The black finish not only offers a sleek aesthetic but also provides corrosion resistance, making it suitable for various riding conditions. Whether you're restoring a classic or building a custom high-performance motorcycle, this crankcase is engineered to meet demanding standards and deliver reliability. Its precise construction supports high-stress applications, ensuring your engine remains reliable under increased power loads, making it a valuable addition to any serious motorcycle builder’s arsenal.
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