S&S CYCLE Crankcase - MK-Series "B" - Black - M8 Softail '18-'24 - 310-1326
CONFIRM FITMENT BEFORE ORDERING
Please confirm fitment for your bike below as we do not accept returns on parts ordered incorrectly.
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.
- Stock deck height
- Large volume sump
- Machined, close-fitting oil scraper (stock is as cast)
- A solid foundation for building a big-bore engine
- Made in the USA
- Includes Manufacturers Statement of Origin (MSO) document
- Can be paired with a S&S 136" cylinder kit and 4 5/8" stroker crank (sold separately)
- Allows for installation of larger bore kits, scrapes more oil, and offers reliability while fitting into stock Softail frame.
NOTE:
Includes:
• Crankcase Assembly
• Main Bearings
• Balancer Shaft Bearings
• Inner Cam Bearing
• Cylinder Studs
• Magnetic Drain Plug
• 1/4" Pipe Plugs
• Front and Rear Piston Cooling Jets
• Gaskets
• O-rings and Seals
• Hardware
Fitment Guide
| 2023-2024 | Harley-Davidson | FXBR Breakout 117 | - | - |
| 2022-2024 | Harley-Davidson | FXLRS Low Rider S 117 | - | - |
| 2022-2024 | Harley-Davidson | FXLRST Low Rider ST 117 | - | - |
| 2022 | Harley-Davidson | FXRST Low Rider El Diablo 117 | - | - |
| 2022 | Harley-Davidson | Softail Street Bob FXBB | - | - |
| 2021-2024 | Harley-Davidson | FXBBS Street Bob 114 | - | - |
| 2020-2024 | Harley-Davidson | FXST Softail Standard 107 | - | - |
| 2020-2021 | Harley-Davidson | FXLRS Low Rider S 114 | - | - |
| 2019-2020 | Harley-Davidson | FXDRS FXDR 114 | - | - |
| 2018-2024 | Harley-Davidson | FLHCS Heritage Classic 114 | - | - |
| 2018-2024 | Harley-Davidson | FLFBS Fat Boy 114 | - | - |
| 2018-2021, 2023 | Harley-Davidson | FXFBS Fat Bob 114 | - | - |
| 2018-2021 | Harley-Davidson | FLSL Softail Slim 107 | - | - |
| 2018-2021 | Harley-Davidson | FLHC Heritage Classic 107 | - | - |
| 2018-2021 | Harley-Davidson | FLSB Sport Glide 107 | - | - |
| 2018-2020 | Harley-Davidson | FXBRS Breakout 114 | - | - |
| 2018-2020 | Harley-Davidson | FXLR Low Rider 107 | - | - |
| 2018-2020 | Harley-Davidson | FLDE Deluxe 107 | - | - |
| 2018-2020 | Harley-Davidson | FXBB Street Bob 107 | - | - |
| 2018-2019 | Harley-Davidson | FXBR Breakout 107 | - | - |
| 2018-2019 | Harley-Davidson | FXFB Fat Bob 107 | - | - |
| 2018-2019 | Harley-Davidson | FLFB Fat Boy 107 | - | - |
Specs
| Model | MK-Series |
| Color/Finish | Matte Black |
| Product Name | Crankcase |
| Riding Style | Street |
| Units | Each |
Delivery Info
Please Note - Warehouse Locations For This Part -
S&S CYCLE Crankcase - MK-Series "B" - Black - M8 Softail '18-'24 - 310-1326
Gold Coast Warehouse- If your parts are in stock at our Gold Coast warehouse at the time of order, they will be shipped within 24hrs.
Supplier Warehouse - 2-3 Week Delivery- If your parts are located at our Supplier Warehouse, Delivery ETA is approx 2-3 weeks, as the parts are likely coming from our USA supplier warehouse. We will notify you once we receive it in Gold Coast warehouse and its on its way to you.