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Columbus
My Store
Open Today At 10am
3635 West Broad Street
Columbus, Ohio 43228
614-869-3115
What’s going on at Cycle Gear
Services
Experienced staff support available on site
Store Events
Meet the local riding community for Bike Nights & more
Shop the Store
Find out what’s in stock and ready to go
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S&S 128" Big Bore Kit For Harley 117" Milwaukee Eight

Upgrade your 114" M8 motor to the largest bore size possible, without required machining of your cases. This is as simple as big power gets, with everything necessary for installation included.

Features:

  • Bolt-on kit, the largest cylinder bore possible for 114" M8 motors without required machining of the crankcases
  • 4.250" bore
  • 11:1 forged pistons with rings, pins and clips
  • All gaskets and hardware required for installation included
  • Made in the USA
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Please review this product's fitment notes & exceptions prior to purchase: Add to Cart

This product is vehicle specific. Click here to select your vehicle to ensure fitment.

Fitment Notes & Exceptions
  • Fits models with 114" Milwaukee Eight motor only

This Product Fits:


Harley Davidson
Electra Glide Ultra Limited CVO/SE FLHTKSE 2020, 2021
Road Glide CVO/SE FLTRXSE 2020, 2021, 2022
Road Glide Limited CVO FLTRKSE 2022, 2023
Road Glide ST FLTRXST 2022, 2023
Street Glide CVO/SE FLHXSE 2020, 2021, 2022
Street Glide ST FLHXST 2022, 2023
Product Style Item # Store SKU Manufacturer Product # Availability
Product Style Black Granite w/ Highlighted Fins Item # 10085836 Store SKU Manufacturer Product # 910-0733 Availability In Stock: Ships within 24 hours
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