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    ← Engine Rebuild Kits
    S&S Cycle 124" Big Bore Kit For Harley 107" Milwaukee-Eight 2017-2026

    S&S Cycle

    S&S Cycle 124" Big Bore Kit For Harley 107" Milwaukee-Eight 2017-2026

    $1,561.95$1,643.95

    Fits 32 Harley-Davidson models

    • Electra Glide Standard FLHT2019–2022
    • Electra Glide Ultra Classic FLHTCU/I2017–2019
    • Electra Glide Ultra Limited FLHTK2017–2024
    • Electra Glide Ultra Limited Low FLHTKL2017–2019
    • Road Glide 3 FLTRT2026
    • Road Glide CVO ST FLTRXSTSE2024–2026
    • Road Glide FLTRX2017–2026
    • Road Glide Limited FLTRK2020–2024
    • Road Glide Limited FLTRXL2026
    • Road Glide Special FLTRXS2017–2023
    • Road Glide ST FLTRXST2022–2023
    • Road Glide Ultra FLTRU2017–2019
    • Road King FLHR/I2017–2022
    • Road King Special FLHRXS2017–2025
    • Softail Breakout FXBR2018–2019
    • Softail Deadwood FLHD2026
    • Softail Deluxe FLDE2018–2020
    • Softail Fat Bob FXFB2018–2019
    • Softail Fat Boy FLFB2018–2019
    • Softail Heritage Classic 114 FLHCS2020–2024
    • Softail Heritage Classic FLHC2018–2026
    • Softail Low Rider FXLR2018–2020
    • Softail Slim FLSL2018–2021
    • Softail Sport Glide FLSB2018–2021
    • Softail Standard FXST2020–2024
    • Softail Street Bob 114 FXBBS2021–2024
    • Softail Street Bob FXBB2018–2020, 2025–2026
    • Softail Super Glide FXD2026
    • Street Glide CVO ST FLHXSTSE2026
    • Street Glide FLHX/I2017–2026
    • Street Glide Special FLHXS2017–2023
    • Street Glide ST FLHXST2022–2023

    Upgrade your 107" M8 motor to the largest bore size possible, without required machining of your cases. This is as simple as big power gets, with ever…

    Brand
    S&S Cycle
    Category
    Engine Rebuild Kits
    Where to buy

    Compare prices

    MerchantPrice
    Cycle Gear$1,561.95Buy

    Price history

    Every price we have recorded, as observed. A line holds flat until the next time we saw the price change.

    $1,400$1,500$1,600$1,700$1,80011:41 PM5:41 AM11:41 AM5:41 PM11:41 PMCycle Gear — $1561.95 on 9/17/2026
    Cycle Gear

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    • * Alerts use your merchant selections — best price right now is $1561.95 at Cycle Gear.

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