S&S Cycle Power Pack - 4.375" Stroke - Water Cooled - Black w/Highlights - M8

$3,294.95


Delivery and Shipping

Ships Within 2-5 business days

For Pickup Call for availability

Features

  • 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

Specs

Product Name Performance Kit
Type Big Bore
Model Power Package
Color/Finish Black / Highlighted Fins
Features Quickee Pushrods w/Chrome Covers / Includes Cam Chain Tensioner
Stroke Length 4.375"
Displacement 124"
Bore Size 4.250"
Compression Ratio 11.1:1
Cam Drive Type Chain
Cooling System Water Cooled
Units Kit
Riding Style Street

 

FITMENTS:

2025 Harley-Davidson Tri Glide Ultra Classic FLHTCUTG - -
2022-2023 Harley-Davidson FLTRKSE CVO Road Glide Limited - -
2022 Harley-Davidson FLHTCUTG Tri Glide Ultra G.I. - -
2020-2024 Harley-Davidson FLTRK Road Glide Limited - -
2020-2022 Harley-Davidson FLHTCUTGSE CVO Tri Glide - -
2017-2025 Harley-Davidson FLHTCUTG Tri Glide Ultra - -
2017-2024 Harley-Davidson FLHTK Ultra Limited - -
2017-2021 Harley-Davidson FLHTKSE CVO Limited - -
2017-2019 Harley-Davidson FLHTKL Ultra Limited Low - -
2017-2019 Harley-Davidson FLHTCU Electra Glide Ultra Classic - -
2017-2019 Harley-Davidson FLTRU Road Glide Ultra

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Bancontact
  • Diners Club
  • Discover
  • Google Pay
  • iDEAL Wero
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

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S&S CYCLE

S&S Cycle Power Pack - 4.375" Stroke - Water Cooled - Black w/Highlights - M8

$3,294.95

Features

Specs

Product Name Performance Kit
Type Big Bore
Model Power Package
Color/Finish Black / Highlighted Fins
Features Quickee Pushrods w/Chrome Covers / Includes Cam Chain Tensioner
Stroke Length 4.375"
Displacement 124"
Bore Size 4.250"
Compression Ratio 11.1:1
Cam Drive Type Chain
Cooling System Water Cooled
Units Kit
Riding Style Street

 

FITMENTS:

2025 Harley-Davidson Tri Glide Ultra Classic FLHTCUTG - -
2022-2023 Harley-Davidson FLTRKSE CVO Road Glide Limited - -
2022 Harley-Davidson FLHTCUTG Tri Glide Ultra G.I. - -
2020-2024 Harley-Davidson FLTRK Road Glide Limited - -
2020-2022 Harley-Davidson FLHTCUTGSE CVO Tri Glide - -
2017-2025 Harley-Davidson FLHTCUTG Tri Glide Ultra - -
2017-2024 Harley-Davidson FLHTK Ultra Limited - -
2017-2021 Harley-Davidson FLHTKSE CVO Limited - -
2017-2019 Harley-Davidson FLHTKL Ultra Limited Low - -
2017-2019 Harley-Davidson FLHTCU Electra Glide Ultra Classic - -
2017-2019 Harley-Davidson FLTRU Road Glide Ultra
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