S&S Cycle #310-1326 - Crankcase - MK-Series "B" - Black - M8 Softail

Building massive power reliably just got easier! Our new MK-Series B Crankcases can be paired with our 136” cylinder kit and 4 5/8” Stroker Crank to give you a rock-solid build. These cases scrape more oil than the stock ones, have a large volume sump, and fit in a stock frame without modification.

Fitment

Year(s)	Make	Model Code	Model
2018-2028	Harley-Davidson	—	M8 Softail