M8 Softail Crankcase — MK-Series, Matte Black

S&S CYCLE M8 Softail Crankcase — MK-Series, Matte Black – 18-25 Softail

S&S CYCLE
0920-0242
310-1326
Stock-deck crankcase with large sump and machined oil scraper; foundation for big-bore builds. Made in the USA. Includes MSO and full hardware kit. Compatible with 136" cylinder kits and a 4 5/8" stroker crank (sold separately).
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€2,951.83
€3,554.98
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The M8 Softail Crankcase delivers stock deck height with a large-volume sump and a machined, close-fitting oil scraper for improved oil control.

It provides a solid foundation for building a big-bore engine and allows installation of larger bore kits; it accepts a 136" cylinder kit and a 4 5/8" stroker crank (sold separately). 🇺🇸

Made in the USA and includes a Manufacturers Statement of Origin (MSO) document.

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
: 0920-0242
In Stock

Data sheet

Units
Each
Color/Finish
Matte Black
Brand
S&S CYCLE
Harley Family
Softail

This product fits the following vehicles. Use the filters below to narrow down the list if needed.

Manufacturer Model Family Year Notes
Harley Davidson Softail Fat Boy Anniversary (ANX) 114 Softail 2018
Harley Davidson Softail Fat Boy 114 Softail 2019
Harley Davidson Softail Fat Boy 114 Softail 2020
Harley Davidson Softail Fat Boy 114 Softail 2021
Harley Davidson Softail Fat Boy 114 Softail 2022
Harley Davidson Softail Fat Boy 114 Softail 2024
Harley Davidson Softail Fat Boy 117 Softail 2025
Harley Davidson Softail Heritage Classic Anniversary 114 Softail 2018
Harley Davidson Softail Heritage Classic 114 Softail 2019
Harley Davidson Softail Heritage Classic 114 Softail 2020
Harley Davidson Softail Heritage Classic 114 Softail 2021
Harley Davidson Softail Heritage Classic 114 Softail 2022
Harley Davidson Softail Heritage Classic 114 Softail 2024
Harley Davidson Softail Heritage Classic 117 Softail 2025
Harley Davidson Hydra-Glide Revival 114 Softail 2024
Harley Davidson Softail Fat Boy Gray Ghost 117 Softail 2025
Harley Davidson Softail Street Bob 117 Softail 2025
Harley Davidson Softail Street Bob 114 Softail 2021
Harley Davidson Softail Street Bob 114 Softail 2021
Harley Davidson Softail Street Bob 114 Softail 2022
Harley Davidson Softail Street Bob 114 Softail 2023
Harley Davidson Softail Street Bob 114 Softail 2024
Harley Davidson Softail Breakout 117 Softail 2023
Harley Davidson Softail Breakout 117 Softail 2024
Harley Davidson Softail Breakout 117 Softail 2025
Harley Davidson Softail Breakout Anniversary (ANX) 114 Softail 2018
Harley Davidson Softail Breakout 114 Softail 2019
Harley Davidson Softail Breakout 114 Softail 2020
Harley Davidson Softail Breakout 114 Softail 2021
Harley Davidson Softail Breakout 114 Softail 2022
Harley Davidson Softail King 114 Softail 2019
Harley Davidson Softail King 114 Softail 2020
Harley Davidson Softail Fat Bob 114 Softail 2018
Harley Davidson Softail Fat Bob 114 Softail 2019
Harley Davidson Softail Fat Bob 114 Softail 2020
Harley Davidson Softail Fat Bob 114 Softail 2021
Harley Davidson Softail Fat Bob 114 Softail 2022
Harley Davidson Softail Fat Bob 114 Softail 2023
Harley Davidson Softail Low Rider S 114 Softail 2020
Harley Davidson Softail Low Rider S 114 Softail 2021
Harley Davidson Softail Low Rider S 117 Softail 2022
Harley Davidson Softail Low Rider S 117 Softail 2023
Harley Davidson Softail Low Rider S 117 Softail 2024
Harley Davidson Softail Low Rider S 117 H.O. Softail 2025
Harley Davidson Softail Low Rider ST 117 Softail 2022
Harley Davidson Softail Low Rider ST 117 Softail 2023
Harley Davidson Softail Low Rider ST 117 Softail 2024
Harley Davidson Softail Low Rider ST 117 H.O. Softail 2025