S&S, M8 Softail MK-Series crankcase assembly. Large bore

Black.
A 4-1/2" large bore crankcase assembly version (4.695" spigot bore) of the S&S 701028 Standard bore MK-Series cases. Ready for even bigger bores to install truly massive cylinders!
All that big bore power requires a quality and strength past what stock cases can take. That is where this large bore S&S Softail M8 crankcases come in. Designed to allow for extra large bores, with a machined oil scraper for less oil dragging on the flywheels. Offered is better reliability, all while fitting in a stock frame.
- Stock deck height
- Fits stock frame
- Stronger than stock
- Machined, close-fitting oil scraper (stock is as cast)
- Large volume sump
- 4-1/2" bore (4.695"spigot bore)