Description
Features
- Made in the USA
- Big-bore bolt-on kit increases 114"/117" with 4-1/2" stroke M-Eight to 128" with no case machining required
- 4-1/4" bore cylinders with 11:1 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 camchest
- Debris screen in both scavenge pickups
- Magnet in camchest 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
- Quikee pushrods with chrome pushrod tubes
- S&S premium tappets
- S&S hard-anodized, black coated tappet cuffs are billet aluminum construction
- Improve tappet stability in high-lift, high-rpm situations
- S&S 550 cams designed for big bore applications
- S&S valve springs work with cams up to .605" lift
- High-performance conical single-wire spring design
- All necessary gaskets, bearings and hardware for bolt-on installation is included
| Position | Notes | |||
|---|---|---|---|---|
| 2023 | Harley-Davidson | FLFBS Fat Boy 114 | - | - |
| 2023 | Harley-Davidson | FXLRS Low Rider S 117 | - | - |
| 2023 | Harley-Davidson | FLHXS Street Glide Special | - | - |
| 2023 | Harley-Davidson | FLTRXS Road Glide Special | - | - |
| 2023 | Harley-Davidson | FXLRST Low Rider ST 117 | - | - |
