S&S Cycle Power Pack - 4.375" Stroke - Water Cooled - Black w/Highlights - M8
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This product has been discontinued
- 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
Not Legal For Sale Or Use In California On Any Pollution Controlled Motor Vehicle or Carb Compliant.
| Vendor Part Number | 3101051C |
|---|---|
| Package Height | 20.5 |
| Package Length | 27.5 |
| Package Width | 12.25 |
| Parts Unlimited # | 0904-0147 |
| Bore Size Imperial | 4.250" |
| Brand | S&S Cycle |
| Cam Drive Type | Gear |
| Color/Finish | Black |
| Compression Ratio | 11.1:1 |
| Cooling System | Water Cooled |
| Displacement | 124" |
| Features | Quickee Pushrods w/Chrome Covers |
| Model | Power Package |
| Riding Style | Street |
| Stroke Length (in) | 4.375" |
| Type | Big Bore |
| Unit of Measure | Kit |
| YEAR | MAKE | MODEL |
|---|---|---|
| 2017 - 2019 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic |
| 2017 - 2025 | Harley-Davidson | FLHTCUTG Tri Glide Ultra |
| 2022 | Harley-Davidson | FLHTCUTG Tri Glide Ultra G.I. |
| 2020 - 2022 | Harley-Davidson | FLHTCUTGSE CVO Tri Glide |
| 2017 - 2024 | Harley-Davidson | FLHTK Ultra Limited |
| 2017 - 2019 | Harley-Davidson | FLHTKL Ultra Limited Low |
| 2017 - 2021 | Harley-Davidson | FLHTKSE CVO Limited |
| 2020 - 2024 | Harley-Davidson | FLTRK Road Glide Limited |
| 2022 - 2023 | Harley-Davidson | FLTRKSE CVO Road Glide Limited |
| 2017 - 2019 | Harley-Davidson | FLTRU Road Glide Ultra |
| 2025 | Harley-Davidson | Tri Glide Ultra Classic FLHTCUTG |
Fitment Disclosure
For reference only, please consult your owner’s manual to confirm your fitment.
General Safety Warning
Failure to follow the manufacturer's recommendations and requirements can cause product failure resulting in serious injury or death. While effort has been taken to collect accurate fitment information, 43 Moto accepts no liability for loss or damage resulting from errors or omissions. If you believe any of the information provided is erroneous, please email [email protected].