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S&S Cycle MK-Series Crankcase Assembly For Harley Softail

Engineered for peak performance, the MK-Series Crank Case by S&S elevates your motorcycle's capabilities, offering robust support for big bore kits and high lift cams. These engine cases boast a generous oil sump and a precision-engineered oil scraper, all encased in a sturdy design that accommodates big bore kits effortlessly.

These cases maintain a stock deck height and are a direct replacement for your OEM bottom end.

Features:

  • Machined close-fitting oil scraper (stock scraper is as-cast)
  • Large volume oil sump
  • Stock deck height

Made in the USA
Product Style J&P Cycles Item # Catalog Number Store Sku MFR. Product # Availability
Product Style S&S Cycle MK-Series Crankcase Assembly For Harley Softail 2018-2025 J&P Cycles Item #10443816 Catalog Number10443816 Store Sku MFR. Product #310-1326 AvailabilityIn Stock: Ships within 24 hours
This product is vehicle specific.
Select a vehicle to ensure fitment.
This Product Fits
Harley Davidson
Softail Breakout 114 FXBRS 2018, 2019, 2020
Softail Breakout 117 FXBR 2023, 2024, 2025
Softail Breakout FXBR 2018, 2019
Softail Deluxe FLDE 2018, 2019, 2020
Softail Fat Bob 114 FXFBS 2018-2023
Softail Fat Bob FXFB 2018, 2019
Softail Fat Boy 114 FLFBS 2018-2024
Softail Fat Boy FLFB 2018, 2019, 2025
Softail FXDR 114 FXDRS 2019, 2020
Softail Heritage Classic 114 FLHCS 2018-2024
Softail Heritage Classic FLHC 2018, 2019, 2020, 2021, 2025
Softail Hydra-Glide Revival 114 FLI 2024
Softail Low Rider FXLR 2018, 2019, 2020
Softail Low Rider S FXLRS 2020-2025
Softail Low Rider ST FXLRST 2022, 2023, 2024, 2025
Softail Slim FLSL 2018, 2019, 2020, 2021
Softail Sport Glide FLSB 2018, 2019, 2020, 2021
Softail Standard FXST 2020, 2021, 2022, 2023, 2024
Softail Street Bob 114 FXBBS 2021, 2022, 2023, 2024
Softail Street Bob FXBB 2018, 2019, 2020, 2025
This item is also available for 20 different vehicles. View All Models

S&S Cycle MK-Series Crankcase Assembly For Harley Softail 2018-2025 Instructions

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