Description
Features
- Feature ArmorX piston coating for superior protection in extreme conditions and reduced wear
- ArmorFit skirt coating auto-adjusts to the cylinder wall so theres 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
| Bore Size | 3.937″ |
| Bore Oversize | Standard |
| Displacement | 1746 cc |
| Bore – Oversize | Standard |
| Skirt Coating | ArmorFit |
| Stroke Length | 4-3/8″ |
| Product Name | Piston Kit |
| Riding Style | Street |
| Compression Ratio | 11.0:1 |
| Units | Kit |
| Piston Head Shape | Domed |
| Piston Material | ArmorX |
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| 2017-2021 | Harley-Davidson | Tri Glide Ultra Classic FLHTCUTG |
| 2018-2021 | Harley-Davidson | Softail Sport Glide FLSB |
| 2018-2021 | Harley-Davidson | Softail Street Bob FXBB |
| 2017-2021 | Harley-Davidson | Electra Glide Ultra Limited FLHTK |
| 2017-2021 | Harley-Davidson | Road King Special FLHRXS |
| 2020-2021 | Harley-Davidson | Softail Standard FXST |
| 2018-2021 | Harley-Davidson | Softail Heritage Classic FLHC |
| 2017-2021 | Harley-Davidson | Street Glide Special FLHXS |
| 2020-2021 | Harley-Davidson | Road Glide Limited FLTRK |
| 2021 | Harley-Davidson | Electra Glide Revival |
| 2017-2021 | Harley-Davidson | Road Glide Special FLTRXS |
| 2017-2021 | Harley-Davidson | Road Glide Custom FLTRX |
| 2017-2021 | Harley-Davidson | Electra Glide Police FLHTPI |
| 2019-2021 | Harley-Davidson | Electra Glide Standard EFI FLHTI |
| 2018-2021 | Harley-Davidson | Softail Slim FLSL |
| 2017-2021 | Harley-Davidson | Street Glide EFI FLHX |
| 2020-2021 | Harley-Davidson | Softail Low Rider S FXLRS |
| 2017-2021 | Harley-Davidson | Road King EFI FLHR |
| 2018-2020 | Harley-Davidson | Softail Deluxe FLDE |
| 2018-2020 | Harley-Davidson | Softail Low Rider FXLR |
| 2017-2019 | Harley-Davidson | Road Glide Ultra FLTRU |
| 2017-2019 | Harley-Davidson | Electra Glide Ultra Classic EFI FLHTCUI |
| 2018-2019 | Harley-Davidson | Softail Fat Bob FXFB |
| 2017-2019 | Harley-Davidson | Electra Glide Ultra Limited Low FLHTKL |
| 2018-2019 | Harley-Davidson | Softail Fat Boy FLFB |
| 2018-2019 | 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.
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