S&S Cycle #310-1341 - Crankcase, Assembly, 4-1/2" Bore, Stock Drive Bearing, Packaged, MB Code, WBlack, 2017-up M8 Touring

The demand for performance-based parts is growing, and these M8 engines are creating more power daily. All that power requires a quality base that the stock cases can’t provide. This new version of the MK-Series Crankcases are ready for even more than the originals! These cases are designed to accept cylinders up to 4 1/2", which is massive! Like the originals, these cases scrape more oil than stock and offer more reliability, all without frame modifications. 
Features & Benefits:

Stock deck height
Machined, close-fitting oil scraper (stock is as cast)
Large volume sump
Redesigned, with a 4.695" spigot bore to accept larger bore cylinders.

Fitment

Year(s)	Make	Model Code	Model
2017-2028	Harley-Davidson	—	M8 Touring