310-1107B 128" Power Package Engine Performance Kit
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Specifications
- Brand
- S&S
- Part Number
- 310-1107B
- OEM Reference
- —
- Pack Quantity
- Sold as kt
- Category
- 0904-ENGINE PERFORMANCE KITS
- VAT Rate
- 20%
About This Product
The S&S 128-inch Power Package for water-cooled Milwaukee-Eight engines provides a significant performance increase for 114 and 117-inch platforms. This chain-drive kit includes 4-1/4 inch bore cylinders and 11:1 forged pistons, designed for a direct bolt-on fit without case machining. The assembly features a blue anodized billet oil pump and cam plate, providing superior oil flow and debris protection. Valvetrain components include a 550 cam, high-performance conical valve springs, Quickee pushrods with chrome tubes, and premium tappets with hard-anodized billet cuffs. This complete engine performance kit is made in the U.S.A. and sold as a kit.
Manufacturer part number: 310-1107B.
Fitment
47 models Cvo/Custom 4 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 2017 | Electra Glide Ultra Limited CVO 114 FLHTKSE |
| Harley-Davidson | 2023 | Road Glide Limited Anniversary CVO 117 FLTRKSE |
| Harley-Davidson | 2017 | Street Glide CVO 114 FLHXSE |
| Harley-Davidson | 2022 | Street Glide CVO 117 FLHXSE |
Softail 23 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 2024 | Hydra-Glide Revival 114 FLI |
| Harley-Davidson | 2018–2022 | Softail Breakout 114 FXBRS |
| Harley-Davidson | 2023–2025 | Softail Breakout 117 FXBR |
| Harley-Davidson | 2018 | Softail Breakout Anniversary (ANX) 114 FXBRS |
| Harley-Davidson | 2018–2023 | Softail Fat Bob 114 FXFBS |
| Harley-Davidson | 2018–2024 | Softail Fat Boy 114 FLFBS |
| Harley-Davidson | 2025 | Softail Fat Boy 117 FLFBS |
| Harley-Davidson | 2018 | Softail Fat Boy Anniversary (ANV) 114 FLFBS |
| Harley-Davidson | 2018 | Softail Fat Boy Anniversary (ANX) 114 FLFBS |
| Harley-Davidson | 2025 | Softail Fat Boy Gray Ghost 117 FLSTFI |
| Harley-Davidson | 2018–2024 | Softail Heritage Classic 114 FLHCS |
| Harley-Davidson | 2025 | Softail Heritage Classic 117 FLHCS |
| Harley-Davidson | 2018 | Softail Heritage Classic Anniversary 114 FLHCS |
| Harley-Davidson | 2019 | Softail King 114 FXDR |
| Harley-Davidson | 2020 | Softail King 114 FXDRS |
| Harley-Davidson | 2020–2021 | Softail Low Rider S 114 FXLRS |
| Harley-Davidson | 2022–2024 | Softail Low Rider S 117 FXLRS |
| Harley-Davidson | 2025 | Softail Low Rider S 117 H.O. FXLRS |
| Harley-Davidson | 2022–2024 | Softail Low Rider ST 117 FXLRST |
| Harley-Davidson | 2025 | Softail Low Rider ST 117 H.O. FXLRST |
| Harley-Davidson | 2022 | Softail Low Rider ST EL Diablo 117 FXRST |
| Harley-Davidson | 2021–2024 | Softail Street Bob 114 FXBBS |
| Harley-Davidson | 2025 | Softail Street Bob 117 FXBB |
Touring 16 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 2019–2023 | Glide Ultra Limited 114 FLHTK |
| Harley-Davidson | 2024–2025 | Road Glide 117 FLTRX |
| Harley-Davidson | 2020–2023 | Road Glide Limited 114 FLTRK |
| Harley-Davidson | 2019–2023 | Road Glide Special 114 FLTRXS |
| Harley-Davidson | 2023 | Road Glide Special Anniversary 114 FLTRXS |
| Harley-Davidson | 2022–2023 | Road Glide ST 117 FLTRXST |
| Harley-Davidson | 2019 | Road Glide Ultra 114 FLTRU |
| Harley-Davidson | 2019–2025 | Road King Special 114 FLHRXS |
| Harley-Davidson | 2024–2025 | Street Glide 117 FLHX |
| Harley-Davidson | 2019–2023 | Street Glide Special 114 FLHXS |
| Harley-Davidson | 2021 | Street Glide Special 114 Arctic Blast Limited FLHXS |
| Harley-Davidson | 2023 | Street Glide Special Anniversary 114 FLHXS |
| Harley-Davidson | 2022–2023 | Street Glide ST 117 FLHXST |
| Harley-Davidson | 2023 | Ultra Limited Anniversary 114 FLHTK |
| Harley-Davidson | 2019 | Ultra Limited Low 114 FLHTKL |
| Harley-Davidson | 2019–2023 | Ultra Limited Shrine Edition 114 FLHTK |
Trike 3 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 2020–2025 | Freewheeler 114 FLRT |
| Harley-Davidson | 2023–2025 | Road Glide 3 114 FLTRT |
| Harley-Davidson | 2021–2023 | Tri Glide Ultra 114 FLHTCUTG |
74ci (1200cc) Ohv Twin 1 model
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 2021 | Electra Glide Revival 114 FLH |
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