S&S CYCLE Power Pack - Oil Cooled - 550C - Wrinkle Black w/Highlight - Black Pushrod Tubes - M8 310-1056C — image 1

S&S CYCLE Power Pack - Oil Cooled - 550C - Wrinkle Black w/Highlight - Black Pushrod Tubes - M8 310-1056C

$3,294.95
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S&S CYCLE Power Pack - Oil Cooled - 550C - Wrinkle Black w/Highlight - Black Pushrod Tubes - M8 310-1056C — image 1
  • S&S CYCLE Power Pack - Oil Cooled - 550C - Wrinkle Black w/Highlight - Black Pushrod Tubes - M8 310-1056C — image 1
S&S CYCLE Power Pack - Oil Cooled - 550C - Wrinkle Black w/Highlight - Black Pushrod Tubes - M8 310-1056C

S&S Cycle

S&S CYCLE Power Pack - Oil Cooled - 550C - Wrinkle Black w/Highlight - Black Pushrod Tubes - M8 310-1056C

310-1056C
In stock
$3,294.95

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Power Pack - Oil Cooled - 550C - Wrinkle Black w/Highlight - Black Pushrod Tubes - M8

Features

  • Bolt-on kit
  • 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
  • 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
  • Quickee pushrods
  • S&S premium tappets with hard anodized, billet aluminum, black coated tappet cuffs
  • Tappet stability in high lift and high rpm sitiuations
  • S&S 550 camshaft
  • Works well with camshafts up to 0.605" lift
  • Includes top collars, keepers, valve seals and bottom collars
  • Oil Pump/Cam Plate:
  • Pushrods:
  • Tappets:
  • Camshaft:
  • Valve Springs:
  • Will fit VVT models.
  • Not for any Trike models.
  • Intake/rocker cover gaskets not included.

Specifications

  • Bore Size: 4.250"
  • Cam Drive Type: Chain
  • Color/Finish: Wrinkle Black
  • Compression Ratio: 11.1:1
  • Cooling System: Oil Cooled
  • Displacement: 124"
  • Features: Quickee Pushrods w/Gloss Black Covers
  • Model: Power Package
  • Product Name: Performance Kit
  • Riding Style: Street
  • Stroke Length: 4.375"
  • Style: 550C
  • Units: Kit
  • Country of Origin: US
  • Package Dimensions: 27.5 L × 12.25 W × 20.5 H in
  • Shipping Weight: 45.4 lb
Manufacturer fitment

S&S CYCLE · 310-1056C

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  • Harley-Davidson FXBB Street Bob 107, 2018-2020.
  • Harley-Davidson FXBBS Street Bob 114, 2021-2024.
  • Harley-Davidson FXBR Breakout 107, 2018-2019.
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  • Harley-Davidson FXBRS Breakout 114, 2018-2020.
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  • Harley-Davidson FXFB Fat Bob 107, 2018-2020.
  • Harley-Davidson FXFBS Fat Bob 114, 2018-2023.
  • Harley-Davidson FXLR Low Rider 107, 2018-2020.
  • Harley-Davidson FXLRS Low Rider S 114, 2020-2021.
  • Harley-Davidson FXLRS Low Rider S 117, 2022-2026.
  • Harley-Davidson FXLRST Low Rider ST 117, 2022-2026.
  • Harley-Davidson FXRST Low Rider El Diablo 117, 2022.
  • Harley-Davidson FXST Softail Standard 107, 2020-2024.
  • Harley-Davidson Road Glide Custom FLTRX, 2025.
  • Harley-Davidson Road Glide Police FLTRXP, 2024-2026.
  • Harley-Davidson Road King Police FLHP, 2017-2025.
  • Harley-Davidson Softail Breakout FXBR, 2025.
  • Harley-Davidson Softail Fat Boy FLFB, 2025-2026.
  • Harley-Davidson Softail Heritage Classic FLHC, 2025-2026.
  • Harley-Davidson Softail Low Rider S FXLRS, 2025-2026.
  • Harley-Davidson Softail Low Rider ST FXLRST, 2025-2026.
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