Description
Features
- High-flow cylinder heads with premium seats, guides, valves, springs, and seals
- +1.00 mm oversized intake and exhaust valves
- Valves are 0.030" longer than stock for improved valvetrain geometry
- 0.605" max lift valve spring
- 475G gear drive cam
- Enlarged cooling passage around the exhaust seats
- S&S exclusive breather boxes
- Patented dual-spray piston cooling jets
- Precision machined oil scraper
- Enlarged oil sump
- Contoured floor allows oil to easily drain back to the sump
- Retains stock engine height
- Includes forged pistons, S&S performance oil pump and cam support plate, premiun tappets and tappet cuffs, billet aluminum covers, sprocket shaft spacer, Champion spark plugs and cam cover badge
| Position | Notes | |||
|---|---|---|---|---|
| 2017-2024 | Harley-Davidson | FLHRXS Road King Special | - | - |
| 2017-2024 | Harley-Davidson | FLTRX Road Glide | - | - |
| 2017-2023 | Harley-Davidson | FLHXS Street Glide Special | - | - |
| 2017-2023 | Harley-Davidson | FLTRXS Road Glide Special | - | - |
| 2022-2023 | Harley-Davidson | FLTRXST Road Glide ST | - | - |
| 2017-2022 | Harley-Davidson | FLHR Road King | - | - |
| 2017-2024 | Harley-Davidson | Electra Glide Police FLHTPI | - | - |
| 2017-2024 | Harley-Davidson | FLHX Street Glide | - | - |
| 2022-2023 | Harley-Davidson | FLHXST Street Glide ST | - | - |
| 2019-2022 | Harley-Davidson | FLHT Electra Glide Standard | - | - |
| 2017-2024 | Harley-Davidson | Road King Police FLHP | - | - |
| 2023 | Harley-Davidson | FLHFB Electra Glide Highway King | - | - |
| 2021 | Harley-Davidson | FLH Electra Glide Revival | - | - |
| 2024 | Harley-Davidson | FLI Hydra-Glide Revival | - | - |
| 2024 | Harley-Davidson | Road Glide Police FLTRXP | - | - |
