S&S CYCLE Power Pack - 4.375" Stroke - Oil Cooled - Black Granite w/Highlights - M8 310-1059C
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S&S CYCLE Power Pack – 4.375″ Stroke – Oil Cooled – Black Granite w/Highlights – M8 310-1059C

Original price was: €2,952.00.Current price is: €298.98.

SKU: 9205878751477 Category:

Description

  • Bolt-on kit
  • 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

    Fitments

    2025 Harley-Davidson Softail Fat Boy FLFB
    2025 Harley-Davidson Softail Low Rider S FXLRS
    2025 Harley-Davidson Softail Low Rider ST FXLRST
    2025 Harley-Davidson Street Glide EFI FLHX
    2025 Harley-Davidson Road Glide Custom FLTRX
    2025 Harley-Davidson Softail Heritage Classic FLHC
    2025 Harley-Davidson Softail Breakout FXBR
    2024-2025 Harley-Davidson Road Glide Police FLTRXP
    2024 Harley-Davidson FLI Hydra-Glide Revival
    2023-2024 Harley-Davidson FXBR Breakout 117
    2023 Harley-Davidson FLHFB Electra Glide Highway King
    2022-2025 Harley-Davidson FXLRST Low Rider ST 117
    2022-2024 Harley-Davidson FXLRS Low Rider S 117
    2022-2023 Harley-Davidson FLHXST Street Glide ST
    2022-2023 Harley-Davidson FLTRXST Road Glide ST
    2022, 2025 Harley-Davidson Softail Street Bob FXBB
    2022 Harley-Davidson FXRST Low Rider El Diablo 117
    2021-2024 Harley-Davidson FXBBS Street Bob 114
    2021 Harley-Davidson FLH Electra Glide Revival
    2020-2024 Harley-Davidson FXST Softail Standard 107
    2020-2021 Harley-Davidson FXLRS Low Rider S 114
    2019-2022 Harley-Davidson FLHT Electra Glide Standard
    2019-2020 Harley-Davidson FXDRS FXDR 114
    2018-2024 Harley-Davidson FLHCS Heritage Classic 114
    2018-2024 Harley-Davidson FLFBS Fat Boy 114
    2018-2021, 2023 Harley-Davidson FXFBS Fat Bob 114
    2018-2021 Harley-Davidson FLHC Heritage Classic 107
    2018-2021 Harley-Davidson FLSB Sport Glide 107
    2018-2021 Harley-Davidson FLSL Softail Slim 107
    2018-2020 Harley-Davidson FXBB Street Bob 107
    2018-2020 Harley-Davidson FXLR Low Rider 107
    2018-2020 Harley-Davidson FLDE Deluxe 107
    2018-2020 Harley-Davidson FXBRS Breakout 114
    2018-2019 Harley-Davidson FXFB Fat Bob 107
    2018-2019 Harley-Davidson FLFB Fat Boy 107
    2018-2019 Harley-Davidson FXBR Breakout 107
    2017-2025 Harley-Davidson FLHRXS Road King Special
    2017-2025 Harley-Davidson FLHX Street Glide
    2017-2025 Harley-Davidson FLTRX Road Glide
    2017-2025 Harley-Davidson Electra Glide Police FLHTPI
    2017-2025 Harley-Davidson Road King Police FLHP
    2017-2023 Harley-Davidson FLHXS Street Glide Special
    2017-2023 Harley-Davidson FLTRXS Road Glide Special
    2017-2022 Harley-Davidson FLHR Road King
    2017-2022 Harley-Davidson FLHXSE CVO Street Glide

    Fitment Disclosure

    This quick reference fitment information is provided to direct you to our catalog information and the manufacturer’s information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.

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