Description
Wossner - K4084D478-2 - Piston Kit - 4.375" Stroke - 117 CID - M8
Features
- Crown is anodized to improve resistance to extreme heat
- Tested and proven to improve thermal diffusivity by up to 10%
- Hardcoat anodize treatment enhances the piston's abilities to manage heat and wear
- Ring groove wear is improved with anodize treatment ability to handle sliding wear as compared to non-treated surfaces
- Kit includes piston, piston rings, piston pin and retaining clips
- Valve Pocket Specifications:
- Intake Diameter: 1.780"
- Intake Depth: 0.200"
- Intake Angle: 27.000
- Exhaust Diameter: 1.780"
- Exhaust Depth: 0.200"
- Exhaust Angle: 27.000
Specs
| Bore Size Imperial | 4.125'' |
| Piston Size Imperial | 4.122'' |
| Type | Big Bore |
| Model | Premium Plus Series |
| Product Name | Piston Kit |
| Units | Kit |
| Displacement | 117'' |
| Riding Style | Street |
| Stroke Length Imperial | 4.375'' |
| Compression Ratio Imperial | 11.0:1 |
Fitment
| 2017-2021 | Harley-Davidson | CVO Electra Glide Ultra Limited FLHTKSE |
| 2018-2024 | Harley-Davidson | CVO Road Glide Custom FLTRXSE |
| 2022-2023 | Harley-Davidson | CVO Road Glide Limited |
| 2017-2024 | Harley-Davidson | CVO Street Glide FLHXSE |
| 2017-2024 | Harley-Davidson | Electra Glide Police FLHTPI |
| 2021 | Harley-Davidson | Electra Glide Revival |
| 2019-2022 | Harley-Davidson | Electra Glide Standard EFI FLHTI |
| 2017-2019 | Harley-Davidson | Electra Glide Ultra Classic EFI FLHTCUI |
| 2017-2024 | Harley-Davidson | Electra Glide Ultra Limited FLHTK |
| 2017-2019 | Harley-Davidson | Electra Glide Ultra Limited Low FLHTKL |
| 2017-2024 | Harley-Davidson | Road Glide Custom FLTRX |
| 2020-2024 | Harley-Davidson | Road Glide Limited FLTRK |
| 2017-2023 | Harley-Davidson | Road Glide Special FLTRXS |
| 2022-2023 | Harley-Davidson | Road Glide ST FLTRXST |
| 2017-2019 | Harley-Davidson | Road Glide Ultra FLTRU |
| 2017-2022 | Harley-Davidson | Road King EFI FLHR |
| 2017-2024 | Harley-Davidson | Road King Police FLHP |
| 2017-2024 | Harley-Davidson | Road King Special FLHRXS |
| 2018-2019, 2023-2024 | Harley-Davidson | Softail Breakout FXBR |
| 2018-2020 | Harley-Davidson | Softail Deluxe FLDE |
| 2018-2019 | Harley-Davidson | Softail Fat Bob FXFB |
| 2018-2019 | Harley-Davidson | Softail Fat Boy FLFB |
| 2018-2024 | Harley-Davidson | Softail Heritage Classic 114 FLHCS |
| 2018-2021 | Harley-Davidson | Softail Heritage Classic FLHC |
| 2022 | Harley-Davidson | Softail Low Rider El Diablo FXRST |
| 2018-2020 | Harley-Davidson | Softail Low Rider FXLR |
| 2020-2024 | Harley-Davidson | Softail Low Rider S FXLRS |
| 2022-2024 | Harley-Davidson | Softail Low Rider ST FXLRST |
| 2018-2021 | Harley-Davidson | Softail Slim FLSL |
| 2018-2021 | Harley-Davidson | Softail Sport Glide FLSB |
| 2020-2024 | Harley-Davidson | Softail Standard FXST |
| 2018-2024 | Harley-Davidson | Softail Street Bob FXBB |
| 2017-2024 | Harley-Davidson | Street Glide EFI FLHX |
| 2017-2023 | Harley-Davidson | Street Glide Special FLHXS |
| 2022-2023 | Harley-Davidson | Street Glide ST FLHXST |
