Crankcase Assembly MK-Series B

M8 Softail Crankcase

Stock deck height

Large volume sump

Machined, close-fitting oil scraper (stock is as cast)

A solid foundation for building a big-bore engine

Made in the USA

Includes Manufacturers Statement of Origin (MSO) document

Can be paired with a S&S 136" cylinder kit and 4 5/8" stroker crank (sold separately)

Allows for installation of larger bore kits, scrapes more oil, and offers reliability while fitting into stock Softail frame.

Includes: • Crankcase Assembly • Main Bearings • Balancer Shaft Bearings • Inner Cam Bearing • Cylinder Studs • Magnetic Drain Plug • 1/4" Pipe Plugs • Front and Rear Piston Cooling Jets • Gaskets • O-rings and Seals • Hardware