S&S Cycle 310-1326 MK-Series Crankcase Assembly for 2018-up M8 Softail® Models Custom Dynamics the knife is compact and

the knife is compact and easy to carry

late nights

and factory

1999 Harley-Davidson FXR FXR (All)

5" 6" " 9" 14" 29"

S&S Cycle 310-1326 MK-Series Crankcase Assembly for 2018-up M8 Softail® Models Custom Dynamics the knife is compact andS&S Cycle 310 1326 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. Install Instructions DownloadFITMENT DISCLAIMER Fitment information is provided as a general reference only and is not guaranteed for any