Crankcase Assembly with 4-1/2in. Bore – Black. Fits Softail 2018up

Product Details







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 Softail 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 Softail frame. Features & Benefits:-* Wrinkle Black.* Stock deck height* Machined, close-fitting oil scraper (stock is as cast)* Large volume sump * Upgrade on OEM # 24400188Tech Tips:-* S&S crankcase assemblies are supplied with main bearings, balancerbearings, inner cam bearings, cylinder studs, piston oilers, o-rings andhardware.Proudly Made in the USA by S&S Cycle !
MFR PART No: 310-1351

ROLLIES PART No: SS310-1351