21900183 Screamin' Eagle Forged High-Compression Piston Kit - 4.155" X 4.625" (125CI)
Fits: Replacement pistons for '23-later F…
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Specifications
- Brand
- Harley-Davidson Accessories
- Part Number
- 21900183
- OEM Reference
- —
- Pack Quantity
- Each
- Category
- Builder Components
- VAT Rate
- 20%
About This Product
Developed to work in concert with the Screamin' Eagle Milwaukee-Eight 125CI engine Stage III kits, these pistons increase the engine's compression to 10.9:1 and deliver impressive gains in torque and horsepower when coupled with those kits.
- Designed for use with 4.155" Big Bore Cylinders
- Forged from high-strength aluminum
- Precision-machined and features coated skirts for a tight-tolerance fit and quieter operation
- Complete kit includes two pistons, rings, wrist pins and clips
Manufacturer part number: 21900183.
Fitment
6 modelsReplacement pistons for '23-later FLHXSE and FLTRXSE, '24-later FLTRXSTSE and '26-later FLHXLSE and FLHXSTSE models equipped with a 121ci to 125ci Stage III kit.
Cvo/Custom 3 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 2023–2025 | CVO™ STREET GLIDE® (FLHXSE) |
| Harley-Davidson | 2023–2025 | CVO ROAD GLIDE (FLTRXSE) (FLTRXSE) |
| Harley-Davidson | 2024–2026 | 1TL8 CVO ROAD GLIDE ST (FLTRXSTSE) |
Touring 3 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 2026 | CVO™ STREET GLIDE® LIMITED (FLHXLSE) |
| Harley-Davidson | 2026 | CVO/CUSTOM CVO STREET GLIDE (FLHXSE) (FLHXSE) |
| Harley-Davidson | 2026 | CVO™ STREET GLIDE® ST (FLHXSTSE) |
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