S&S Cycle 2018+ M8 Softail Models MK-Series Crankcase Assembly

If you're looking to build serious horsepower into your 2018 and later M8 Softail, this S&S Cycle MK-Series crankcase assembly is a solid foundation. This isn't just a stock replacement; it's designed from the ground up to handle the demands of a high-performance engine build, offering a reliable way to achieve massive power gains. It's engineered to work seamlessly with S&S Cycle's 136-inch cylinder kit and 4 5/8-inch stroker crank, creating a robust package for your custom build.

What sets these cases apart is their improved oil management. They scrape more oil than stock units and feature a large volume sump, which helps keep your engine cooler and running more efficiently under heavy load. This enhanced oil control is crucial for the longevity and reliability of a high-output engine. Plus, S&S Cycle designed these cases to fit directly into your stock frame without any modifications, simplifying the installation process for your project.

This crankcase assembly is a key component for anyone serious about pushing the performance limits of their M8 Softail. It's a well-built piece from a reputable manufacturer known for performance engine components, giving you confidence in your build's foundation.