- Big-bore bolt-in kit increases 114"/117" engine with 4.5" stroke M8 to 132" engine with no case machining required
- Updated profile
- 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.
- Wrinkle black with highlighted fins
- Chrome pushrod tubes
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 2017-2021 | Harley-Davidson | CVO Limited FLHTKSE | |
| 2018-2023 | Harley-Davidson | CVO Road Glide FLTRXSE | |
| 2022-2023 | Harley-Davidson | CVO Road Glide Limited FLTRKSE | |
| 2026 | Harley-Davidson | CVO Street Glide Limited FLHXLSE | |
| 2017-2019 | Harley-Davidson | Electra Glide Ultra Classic FLHTCU | |
| 2020-2024 | Harley-Davidson | Road Glide Limited FLTRK | |
| 2026 | Harley-Davidson | Road Glide Limited FLTRXL | |
| 2017-2019 | Harley-Davidson | Road Glide Ultra FLTRU | |
| 2017-2023 | Harley-Davidson | Street Glide CVO FLHXSE | |
| 2026 | Harley-Davidson | Street Glide Limited FLHXL | |
| 2025 | Harley-Davidson | Street Glide Ultra FLHXU | |
| 2017-2024 | Harley-Davidson | Ultra Limited FLHTK | |
| 2017-2019 | Harley-Davidson | Ultra Limited Low FLHTKL | |