Wossner Piston Kits Anodize Crown for '17-24 Harley Davidson M8 Engines
Wossner piston kits feature a hardcoat anodized treatment that enhances the piston's abilities to manage heat and wear. Each kit includes piston, piston rings, piston pin and retaining clips.
With over 25 years of high-performance piston and connecting rod manufacturing experience, Wössner is committed to bringing the most accurately machined forged pistons and connecting rods to market. With its technologically advanced CNC manufacturing centers, Wössner has quick manufacturing times for prototypes. In turn, this allows Wössner to be first-to-market and ensures that a high-quality manufactured part is produced each time with repeatable performance and quality control. Wössner customers benefit from the company's many years of experience combined with the flexibility of a family-owned and operated business. Wössner's goal is to achieve increased performance, high quality, and greater longevity with its products. That's the Wössner Way.
- Crown is anodized to improve resistance to extreme heat
- Tested and proven to improve thermal diffusivity by up to 10%
- Ring groove wear is improved with anodize treatment ability to handle sliding wear as compared to non-treated surfaces
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
4.375" Stroke - 107 CID - M8 [SKU# 0910-6681]
Model Premium Plus Series
Bore Size 3.937"
Piston Size 3.934"
Compression Ratio 11.0:1
Displacement 107"
Stroke Length 4.375"
4.375" Stroke - 117 CID - M8 [SKU# 0910-6683]
Type Big Bore
Model Premium Plus Series
Bore Size 4.125"
Piston Size 4.122"
Compression Ratio 11.0:1
Displacement 117"
Stroke Length 4.375"
Fitments 107-117 Models
| 2023-2024 | Harley-Davidson | FXBR Breakout 117 |
| 2022-2024 | Harley-Davidson | FXLRS Low Rider S 117 |
| 2022-2024 | Harley-Davidson | FXLRST Low Rider ST 117 |
| 2022-2023 | Harley-Davidson | FLHXST Street Glide ST |
| 2022-2023 | Harley-Davidson | FLTRXST Road Glide ST |
| 2022-2023 | Harley-Davidson | FLTRKSE CVO Road Glide Limited |
| 2022 | Harley-Davidson | FXRST Low Rider El Diablo 117 |
| 2022 | Harley-Davidson | Softail Street Bob FXBB |
| 2021, 2023-2024 | Harley-Davidson | FXBBS Street Bob 114 |
| 2021 | Harley-Davidson | FLH Electra Glide Revival |
| 2020-2024 | Harley-Davidson | FLTRK Road Glide Limited |
| 2020-2024 | Harley-Davidson | FXST Softail Standard 107 |
| 2020-2021 | Harley-Davidson | FXLRS Low Rider S 114 |
| 2019-2022 | Harley-Davidson | FLHT Electra Glide Standard |
| 2018-2024 | Harley-Davidson | FLTRXSE CVO Road Glide |
| 2018-2021 | Harley-Davidson | FLSL Softail Slim 107 |
| 2018-2021 | Harley-Davidson | FLHC Heritage Classic 107 |
| 2018-2021 | Harley-Davidson | FLSB Sport Glide 107 |
| 2018-2020 | Harley-Davidson | FXBB Street Bob 107 |
| 2018-2020 | Harley-Davidson | FLDE Deluxe 107 |
| 2018-2020 | Harley-Davidson | FXLR Low Rider 107 |
| 2018-2019 | Harley-Davidson | FXBR Breakout 107 |
| 2018-2019 | Harley-Davidson | FLFB Fat Boy 107 |
| 2018-2019 | Harley-Davidson | FXFB Fat Bob 107 |
| 2017-2024 | Harley-Davidson | FLHTK Ultra Limited |
| 2017-2024 | Harley-Davidson | FLHXSE CVO Street Glide |
| 2017-2024 | Harley-Davidson | FLHRXS Road King Special |
| 2017-2024 | Harley-Davidson | FLHX Street Glide |
| 2017-2024 | Harley-Davidson | FLTRX Road Glide |
| 2017-2024 | Harley-Davidson | Electra Glide Police FLHTPI |
| 2017-2024 | Harley-Davidson | Road King Police FLHP |
| 2017-2023 | Harley-Davidson | FLHXS Street Glide Special |
| 2017-2023 | Harley-Davidson | FLTRXS Road Glide Special |
| 2017-2022 | Harley-Davidson | FLHR Road King |
| 2017-2021 | Harley-Davidson | FLHTKSE CVO Limited |
| 2017-2019 | Harley-Davidson | FLHTKL Ultra Limited Low |
| 2017-2019 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic |
| 2017-2019 | Harley-Davidson | FLTRU Road Glide Ultra |
CVO MODELS
4.500" Stroke - 114 CID - M8 CVO [SKU# 0910-6682]
Model Premium Plus Series
Bore Size 4.016"
Piston Size 4.013"
Compression Ratio 11.0:1
Displacement 114"
Stroke Length 4.500"
4.500" Stroke - 120 CID - M8 CVO [SKU# 0910-6685]
Type Big Bore
Model Premium Plus Series
Bore Size 4.125"
Piston Size 4.122"
Compression Ratio 11.0:1
Displacement 120"
Stroke Length 4.500"
Fitments
2022 Harley-Davidson CVO Road Glide Limited
2020-2022 Harley-Davidson CVO Tri Glide FLHTCUTGSE
2018-2022 Harley-Davidson CVO Road Glide Custom FLTRXSE
2017-2022 Harley-Davidson CVO Street Glide FLHXSE
2017-2021 Harley-Davidson CVO Electra Glide Ultra Limited FLHTKSE
