Features
- Feature ArmorX™ piston coating for superior protection in extreme conditions and reduced wear
- ArmorFit™ skirt coating auto-adjusts to the cylinder wall so there’s no need to measure clearance; provides smooth, quiet, trouble-free operation
- Dome design for improved flame travel to maximize air/ fuel burn efficiency
- High compression (11:1) for added power
- Superfinish piston pin reduces friction and improves scuff resistance
- Enhanced pin oiling for improved lubrication and reduced friction
- Augmented ring land details improve ring seal and function
- Dedicated rings for precise fit, improved compression and oil control
- Fit OEM and Screamin’ Eagle cylinder heads
- Kit includes two pistons, rings, piston pins and circlips
- Made in the U.S.A
Specs
| Skirt Coating | ArmorFit™ |
| Bore Size | 4.080" |
| Units | Kit |
| Compression Ratio | 11.3:1 |
| Stroke Length | 4-1/2" |
| Displacement | 118" |
| Piston Material | ArmorX™ |
| Product Name | Piston Kit |
| Riding Style | Street |
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| 2017-2023 | Harley-Davidson | Road Glide FLTRX/FLTRXS |
| 2017-2022 | Harley-Davidson | Road King FLHR |
| 2017-2023 | Harley-Davidson | Street Glide FLHX/FLHXS |
| 2018-2020 | Harley-Davidson | Softail Breakout 114 FXBRS |
| 2018-2023 | Harley-Davidson | Softail Fat Bob 114 FXFBS |
| 2018-2023 | Harley-Davidson | Softail Fat Boy 114 FLFBS |
| 2018-2023 | Harley-Davidson | Softail Heritage Classic 114 FLHCS |
| 2019-2022 | Harley-Davidson | Electra Glide Standard FLHT |
| 2019-2020 | Harley-Davidson | FXDR 114 (FXDRS) |
| 2020-2023 | Harley-Davidson | Softail Low Rider S FXLRS |
| 2021-2023 | Harley-Davidson | Softail Street Bob 114 FXBBS |
| 2022-2023 | Harley-Davidson | Road Glide ST FLTRXST |
| 2022 | Harley-Davidson | Softail Low Rider El Diablo FXRST |
| 2022-2023 | Harley-Davidson | Softail Low Rider ST FXLRST |
| 2022-2023 | Harley-Davidson | Street Glide ST FLHXST |
| 2023 | Harley-Davidson | Softail Breakout FXBR |
Fitment Disclosure
This quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.Payment & Security
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