Crankcase Assembly with 4-1/2in. Bore - Black. Fits Touring 2017up

These cases are designed to accept cylinders up to 4 1-2", which is massive, & they have a case with a spigot bore of 4.695"

The demand for performance-based bagger 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. That's where the new S&S M8 Crankcases come in! Designed to allow for larger bores, scrape more oil, and offer more reliability, all while fitting in a stock touring frame.

Features & Benefits:-

* Wrinkle Black.

* Stock deck height

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

* Large volume sump

* Upgrade on OEM # 24400120

Tech Tips:-

* S&S crankcase assemblies are supplied with main bearings, balancer

bearings, inner cam bearings, cylinder studs, piston oilers, o-rings and hardware.

Proudly Made in the USA by S&S Cycle !