S&S CYCLE MK-Series Engine Case — Black, Fits stock touring frame – 17-23 Touring, 17-23 Trike, 17-23 CVO

The MK-Series engine case is a complete crankcase assembly engineered for reliability and compatibility. It delivers a stock deck height and a large-volume sump while reinforcing high-stress areas to prevent cracking, making it ideal for high-performance builds that retain stock frame fitment.

• Stock deck height
• Large volume sump
• Fits stock touring frame
• Designed to accept larger bores
• Accepts all OEM-style components
• Reinforced case prevents cracking in high-stress areas for increased reliability
• Machined oil scraper allows better oil scavenging, reducing flywheel cavity temperatures
• Includes crankcase assembly, 2 main bearings, 2 balancer shaft bearings, inner can bearing, 8 cylinder studs, magnetic drain plug, 4 of 1/4" pipe plugs, front and rear piston cooling jets and gaskets, all necessary hardware, O-rings and seals for assembly
• Manufacturer's Statement of Origin (MSO) included
• Made in the USA

🔧 Built for durability and serviceability.