Reinforced S&S MK-Series engine case built to anchor big bore M8 touring builds. Every big motor build starts with the foundation. The S&S MK-Series engine case keeps stock deck height and fits the stock touring frame, but it is reinforced in the high stress areas where factory cases crack, designed to accept larger bores, and machined with an oil scraper that improves scavenging for lower oil temperatures in the flywheel cavity. It accepts all OEM style components, so the rest of your build bolts up the way it should. Made in the U.S.A. Features Stock deck height Large volume sump Fits the stock touring frame Designed to accept larger bores Accepts all OEM style components Reinforced case prevents cracking in high stress areas Machined oil scraper improves oil scavenging for lower flywheel cavity temperatures Made in the U.S.A. Note: No shipping to California. Fitment Fits 2017 and up M8 touring models. Frequently Asked Questions Will my OEM components work with this case?Yes. The MK-Series accepts all OEM style components while adding reinforcement where factory cases fail. How big can I go on bore?The case is designed to accept larger bores for big inch builds. ⚠️ VERIFY maximum bore for your specific cylinder and piston combination.