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S&S Cycle Power Pack – 4.375″ Stroke – Oil Cooled – Black W/Highlights – M8

Original price was: $2,098.77.Current price is: $1,583.93.

18 in stock

SKU: 310-1058C Category:

Description

  • Product Description
  • Vehicle Fitment
    • Bolt-on kit
    • With updated fins
    • No case machining required
    • Forged pistons
    • Made in the USA
    • Includes oil pump/cam plate, pushrods, tappets, tappet cuffs, 550 camshaft, valve springs

    Oil Pump/Cam Plate:

    • Precision machined from billet aluminum
    • Passage plugs removable for servicing
    • Independent scavenge sections for flywheel cavity and camchest
    • Debris screens in both scavenge pickups
    • Magnet in camchest to help to stop debris from entering oil pump
    • 44% flow increase on supply side and 58% flow increase on scavenge side
    • Pressure relief valve is adjustable with unit installed in engine

    Pushrods:

    • Quickee pushrods

    Tappets:

    • Hand assembled to exacting tolerances
    • Reduced valve train noise from start up to shut down
    • Close tolerances for low leak down rates

    Tappet Cuffs:

    • Hard anodized black coating
    • Billet aluminum construction
    • Tappet stability in high lift and high rpm sitiuations

    Camshaft:

    • S&S 550 camshaft – designed for big bore applications

    Valve Springs:

    • Works well with camshafts up to 0.605″ lift
    • High performance conical single wire spring
    • Includes top collars, keepers, valve seals and bottom collars

    Notes

    • Not for any Trike models.
    • Intake/rocker cover gaskets not included.
  • S&S Cycle 0904-0139 Vehicle Fitment & Compatibility

    Fitment data lists this product for 140 model-year applications across 1 makes, with listed model years from 2017 through 2025.

    Harley-Davidson (140 model-year applications) Model
    Submodel / Trim Years
    Breakout FXBR 107 2018, 2019
    Breakout FXBR 117 2023, 2024, 2025
    Breakout FXBRS 114 2018, 2019, 2020
    Deluxe FLDE 107 2018, 2019, 2020
    Electra Glide Highway King FLHFB 2023
    Electra Glide Standard FLHT 2019, 2020, 2021, 2022
    Fat Bob FXFB 107 2018, 2019
    Fat Bob FXFBS 114 2018, 2019, 2020, 2021, 2022, 2023
    Fat Boy FLFB 107 2018-2019
    Fat Boy FLFBS 114 2018-2024
    FXDR FXDRS 114 2019-2020
    Heritage Classic FLHC 107 2018-2021
    Heritage Classic FLHC 117 2025
    Heritage Classic FLHCS 114 2018-2024
    Hydra-Glide Revival FLI 2024
    Low Rider FXLR 107 2018-2020
    Low Rider ST FXLRST 117 2022
    Low Rider S FXLRS 114 2020-2021
    Low Rider S FXLRS 117 2022-2025
    Low Rider ST FXLRST 117 2023-2025
    Road Glide FLTRX 2017-2023
    Road Glide Special FLTRXS 2017-2023
    Road Glide ST FLTRXST 2022-2023
    Road King FLHR 2017-2022
    Road King Police FLHP 2017, 2019-2023
    Road King Special FLHRXS 2017-2025
    Softail Slim FLSL 107 2018-2021
    Softail Standard FXST 107 2020-2024
    Sport Glide FLSB 107 2018-2021
    Street Bob FXBB 107 2018-2020
    Street Bob FXBBS 114 2021-2024
    Street Glide CVO FLHXSE 2017-2022
    Street Glide FLHX 2017-2023
    Street Glide Special FLHXS 2017-2023
    Street Glide ST FLHXST 2022-2023