Engine & Performance

S&S CycleMK-Series Touring 4-1/2" Bore Crankcase Assembly for 2017-Up M8 Touring Models

✓ Verified fit for your 2021 Road King Special 114

About this part

MK-Series crankcase, designed to accept cylinders up to 4-1/2", 4.695" spigot bore. Machined oil scraper, large volume sump, stock deck height, no frame modification.

Options that fit your bike

  • Standard$2,574.95