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Open Today Until 7pm
3635 West Broad Street
Columbus, Ohio 43228
614-869-3115
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Uh oh - Our system doesn't think this part will fit your 2018 Kawasaki Ninja ZX-10R (change vehicle selection)

S&S Cycle

S&S Cycle 129" Big Bore Kit For Harley 107" Milwaukee-Eight 2017-2026

Current price: $1,643.95
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Blemished/Refurbished

This item is available as a Blem/Refurb. These are items that cannot be sold as "New" merchandise and are limited to stock on hand. See the product details for a description of the product's condition.

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S&S Cycle 129" Big Bore Kit For Harley 107" Milwaukee-Eight 2017-2026 Instructions

S&S Cycle 129" Big Bore Kit For Harley 107" Milwaukee Eight

Turn your 107 cubic inch Milwaukee Eight into a 129 cubic inch monster. S&S Cycle has done it again with their bolt-on big bore kit featuring a 4.32” bore and 11:1 compression ratio. This cylinder and piston kit will accommodate a high lift cam and keep your Harley-Davidson M8 happy on pump gas. No case mods, no engine removal; just a massive set of jugs, designed, tested, and manufactured here in the USA.

Features:

  • Huge bore increase means huge power increase 
  • Works with stock crankcases (no machine work) 
  • Powder coat finish matches factory finish 
  • MLS (multi-layered steel) head gaskets 
  • 4.320" Bore 
  • Retains stock engine height 
  • Includes cubic inch cam cover badge 
  • Made in USA  
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Please review this product's fitment notes & exceptions prior to purchase: Add to Cart

Uh oh - Our system doesn't think this part will fit your 2018 Kawasaki Ninja ZX-10R (change vehicle selection)

Fitment Notes & Exceptions
  • This product is not legal for street use on an emissions-controlled vehicle. It may be used on dedicated competition or pre-pollution-controlled vehicles only.
    • Fits models with 107" Milwaukee Eight engines only

    This Product Fits:


    Harley Davidson
    Electra Glide Standard FLHT 2019, 2020, 2021, 2022
    Electra Glide Ultra Classic FLHTCU/I 2017, 2018, 2019
    Electra Glide Ultra Limited FLHTK 2017-2024
    Electra Glide Ultra Limited Low FLHTKL 2017, 2018, 2019
    Revival FLH 2021
    Road Glide 3 FLTRT 2026
    Road Glide CVO ST FLTRXSTSE 2024, 2025, 2026
    Road Glide FLTRX 2017-2026
    Road Glide Limited FLTRK 2020, 2021, 2022, 2023, 2024
    Road Glide Limited FLTRXL 2026
    Road Glide Special FLTRXS 2021, 2022, 2023
    Road Glide ST FLTRXST 2022, 2023
    Road Glide Ultra FLTRU 2017, 2018, 2019
    Road King FLHR/I 2017-2022
    Softail Breakout FXBR 2018, 2019
    Softail Deluxe FLDE 2018, 2019, 2020
    Softail Fat Bob FXFB 2018, 2019
    Softail Fat Boy FLFB 2018, 2019
    Softail Heritage Classic FLHC 2018, 2019, 2020, 2021
    Softail Low Rider FXLR 2018, 2019, 2020
    Softail Low Rider S FXLRS 2020-2026
    Softail Low Rider ST FXLRST 2022, 2023, 2024, 2025, 2026
    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 FXBB 2018, 2019, 2020
    Street Glide CVO ST FLHXSTSE 2026
    Street Glide FLHX/I 2017-2026
    Street Glide Limited FLHXL 2026
    Street Glide Special FLHXS 2021, 2022, 2023
    Street Glide ST FLHXST 2022, 2023
    Street Glide Ultra FLHXU 2025
    Product Style Item # Store SKU Manufacturer Product # Availability
    Product Style Non-Highlighted Fins Item # 10555235 Store SKU Manufacturer Product # 910-0844A Availability In Stock: Ships next business day
    Product Style Highlighted Fins Item # 10555234 Store SKU Manufacturer Product # 910-0843A Availability In Stock: Ships next business day
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