Description
S&S Cycle - 310-1228D - Power Pack - Oil Cooled - 550G - Wrinkle Black w/o Highlight - Black Pushrod Tubes - 107" M8
Features
- 4.32" bore cylinders with 11.0:1 compression ratio forged pistons
- S&S oil pump/cam plate with blue anodized finish
- Passage plugs are removable for servicing
- Independent scavenge sections for flywheel cavity and cam chest
- Debris screen in both scavenge pickups
- Magnet in cam chest to help prevent debris from entering the oil pump
- Increased oil flow capacity on both the oil feed and scavenge side
- Adjustable pressure relief valve can be adjusted with the unit installed in the engine
- Quickee pushrods
- S&S premium tappets
- S&S hard-anodized, black coated tappet cuffs are billet aluminum construction
- S&S 550 cams are designed for big bore applications
- S&S valve springs work with cams up to 0.605" lift
- High-performance conical single wire spring design
- Made in the USA
- Will fit VVT models.
- Not for any Trike models.
- Intake/rocker cover gaskets not included.
Specs
| Features | Black Pushrod Tubes |
| Product Name | Power Package |
| Style | 550G |
| Bore Size Imperial | 4.320'' |
| Stroke Length Imperial | 4.375'' |
| Color/Finish | Wrinkle Black |
| Compression Ratio Imperial | 11.0:1 |
| Units | Kit |
| Color/Finish | Non-Highlighted Fins |
| Displacement | 129'' |
| Model | Performance Kit |
| Cooling System | Oil Cooled |
| Riding Style | Street |
| Cam Drive Type | Gear |
Fitment
| 2017-2026 | Harley-Davidson | FLHX Street Glide |
| 2017-2022 | Harley-Davidson | FLHR Road King |
| 2017-2026 | Harley-Davidson | FLTRX Road Glide |
| 2017-2023 | Harley-Davidson | FLTRXS Road Glide Special |
| 2018-2021 | Harley-Davidson | FLHC Heritage Classic 107 |
| 2017-2023 | Harley-Davidson | FLHXS Street Glide Special |
| 2018-2021 | Harley-Davidson | FLSL Softail Slim 107 |
| 2020-2024 | Harley-Davidson | FXST Softail Standard 107 |
| 2025-2026 | Harley-Davidson | Softail Heritage Classic FLHC |
| 2026 | Harley-Davidson | FXBR Breakout 117 |
| 2017-2019 | Harley-Davidson | FLHRC Road King Classic |
| 2018-2020 | Harley-Davidson | FLFB Fat Boy 107 |
| 2018-2021 | Harley-Davidson | FLSB Sport Glide 107 |
| 2018-2020 | Harley-Davidson | FLDE Deluxe 107 |
| 2018-2020 | Harley-Davidson | FXBB Street Bob 107 |
| 2018-2019 | Harley-Davidson | FXBR Breakout 107 |
| 2018-2020 | Harley-Davidson | FXLR Low Rider 107 |
| 2025 | Harley-Davidson | Street Glide EFI FLHX |
| 2025-2026 | Harley-Davidson | Softail Fat Boy FLFB |
| 2018-2019 | Harley-Davidson | FXFB Fat Bob 107 |
| 2025 | Harley-Davidson | Softail Breakout FXBR |