Drag Specialties Piston Kit — Bore 3.937", Displacement 107", Compression 10.0:1
Fits: Softail 2018-2024 · Touring 2017-2023 · Trike 2017-2019
Bank transfer
Fits: Softail 2018-2024 · Touring 2017-2023 · Trike 2017-2019
Precision pistons coated to reduce friction and extend piston life for cooler running engines.
Ideal for OEM replacement and built to meet strict fit and finish standards.
| Bore Oversize | Standard |
|---|
| Model | Years |
|---|---|
| Harley Davidson | |
| FLDE 1750 ABS (Softail Deluxe 107) | 2018–2020 |
| FLFB 1750 ABS (Softail Fat Boy 107) | 2018–2020 |
| FLHC 1750 ABS (Softail Heritage Classic 107) | 2018–2022 |
| FLHR 1750 (Road King 107) | 2017–2019 |
| FLHR 1750 ABS (Road King 107) | 2017–2022 |
| FLHRC 1750 ABS (Road King Classic 107) | 2017–2019 |
| FLHRXS 1750 ABS (Road King Special 107) | 2017–2018 |
| FLHT 1750 ABS (Electra Glide Standard 107) | 2019–2022 |
| FLHTCU 1750 ABS (Electra Glide Ultra Classic 107) | 2018–2019 |
| FLHTCUTG 1750 (Tri Glide Ultra Anniversary 107) | 2018 |
| FLHTCUTG 1750 (Trike Tri Glide Ultra Classic 107) | 2017 |
| FLHTCUTG 1750 ABS (Tri Glide Ultra 107) | 2019 |
| FLHTK 1750 ABS (Ultra Limited Shrine Edition 107) | 2018 |
| FLHTKL 1750 ABS (Electra Glide Ultra Limited Low 107) | 2017 |
| FLHTKL 1750 ABS (Ultra Limited Low 107) | 2018 |
| FLHX 1750 (Street Glide 107) | 2017–2019 |
| FLHX 1750 ABS (Street Glide 107) | 2017, 2019–2023 |
| FLHX 1750 ABS (Street Glide Anniversary 107) | 2018 |
| FLHXS 1750 ABS (Street Glide Special 107) | 2017–2018 |
| FLRT 1750 (Freewheeler 107) | 2017–2018 |
| FLRT 1750 ABS (Freewheeler 107) | 2019 |
| FLSB 1750 ABS (Softail Sport Glide 107) | 2018–2024 |
| FLSL 1750 ABS (Softail Slim 107) | 2018–2021 |
| FLTRU 1750 ABS (Road Glide Ultra 107) | 2017–2018 |
| FLTRX 1750 (Road Glide 107) | 2018–2019 |
| FLTRX 1750 ABS (Road Glide 107) | 2018–2023 |
| FLTRXS 1750 ABS (Road Glide Special 107) | 2017–2018 |
| FXBB 1750 ABS (Softail Street Bob 107) | 2018–2020 |
| FXBBS 1868 ABS (Softail Street Bob 114) | 2022–2024 |
| FXBR 1750 ABS (Softail Breakout 107) | 2018–2020 |
+ 4 more models across 1 make in total.
| Manufacturer part number | 21900049-STD |
|---|
This product fits the following vehicles. Use the filters below to narrow down the list if needed.
| Manufacturer | Model | Family | Year | Notes |
|---|---|---|---|---|
| Harley Davidson | Softail Deluxe 107 | Softail | 2018 | |
| Harley Davidson | Softail Deluxe 107 | Softail | 2019 | |
| Harley Davidson | Softail Deluxe 107 | Softail | 2020 | |
| Harley Davidson | Softail Fat Boy 107 | Softail | 2018 | |
| Harley Davidson | Softail Fat Boy 107 | Softail | 2019 | |
| Harley Davidson | Softail Fat Boy 107 | Softail | 2020 | |
| Harley Davidson | Softail Heritage Classic 107 | Softail | 2018 | |
| Harley Davidson | Softail Heritage Classic 107 | Softail | 2019 | |
| Harley Davidson | Softail Heritage Classic 107 | Softail | 2020 | |
| Harley Davidson | Softail Heritage Classic 107 | Softail | 2021 | |
| Harley Davidson | Softail Heritage Classic 107 | Softail | 2022 | |
| Harley Davidson | Road King 107 | Touring | 2017 | |
| Harley Davidson | Road King 107 | Touring | 2018 | |
| Harley Davidson | Road King 107 | Touring | 2019 | |
| Harley Davidson | Road King 107 | Touring | 2017 | |
| Harley Davidson | Road King 107 | Touring | 2018 | |
| Harley Davidson | Road King 107 | Touring | 2019 | |
| Harley Davidson | Road King 107 | Touring | 2020 | |
| Harley Davidson | Road King 107 | Touring | 2021 | |
| Harley Davidson | Road King 107 | Touring | 2022 | |
| Harley Davidson | Road King Classic 107 | Touring | 2017 | |
| Harley Davidson | Road King Classic 107 | Touring | 2018 | |
| Harley Davidson | Road King Classic 107 | Touring | 2019 | |
| Harley Davidson | Road King Special 107 | Touring | 2017 | |
| Harley Davidson | Road King Special 107 | Touring | 2018 | |
| Harley Davidson | Electra Glide Standard 107 | Touring | 2019 | |
| Harley Davidson | Electra Glide Standard 107 | Touring | 2020 | |
| Harley Davidson | Electra Glide Standard 107 | Touring | 2021 | |
| Harley Davidson | Electra Glide Standard 107 | Touring | 2022 | |
| Harley Davidson | Electra Glide Ultra Classic 107 | Touring | 2018 | |
| Harley Davidson | Electra Glide Ultra Classic 107 | Touring | 2019 | |
| Harley Davidson | Trike Tri Glide Ultra Classic 107 | Trike | 2017 | |
| Harley Davidson | Tri Glide Ultra Anniversary 107 | Trike | 2018 | |
| Harley Davidson | Tri Glide Ultra 107 | Trike | 2019 | |
| Harley Davidson | Ultra Limited Shrine Edition 107 | Touring | 2018 | |
| Harley Davidson | Electra Glide Ultra Limited Low 107 | Touring | 2017 | |
| Harley Davidson | Ultra Limited Low 107 | Touring | 2018 | |
| Harley Davidson | Street Glide 107 | Touring | 2017 | |
| Harley Davidson | Street Glide 107 | Touring | 2018 | |
| Harley Davidson | Street Glide 107 | Touring | 2019 | |
| Harley Davidson | Street Glide 107 | Touring | 2017 | |
| Harley Davidson | Street Glide Anniversary 107 | Touring | 2018 | |
| Harley Davidson | Street Glide 107 | Touring | 2019 | |
| Harley Davidson | Street Glide 107 | Touring | 2020 | |
| Harley Davidson | Street Glide 107 | Touring | 2021 | |
| Harley Davidson | Street Glide 107 | Touring | 2022 | |
| Harley Davidson | Street Glide 107 | Touring | 2023 | |
| Harley Davidson | Street Glide Special 107 | Touring | 2017 | |
| Harley Davidson | Street Glide Special 107 | Touring | 2018 | |
| Harley Davidson | Freewheeler 107 | Trike | 2017 | |
| Harley Davidson | Freewheeler 107 | Trike | 2018 | |
| Harley Davidson | Freewheeler 107 | Trike | 2019 | |
| Harley Davidson | Softail Sport Glide 107 | Softail | 2018 | |
| Harley Davidson | Softail Sport Glide 107 | Softail | 2019 | |
| Harley Davidson | Softail Sport Glide 107 | Softail | 2020 | |
| Harley Davidson | Softail Sport Glide 107 | Softail | 2021 | |
| Harley Davidson | Softail Sport Glide 107 | Softail | 2022 | |
| Harley Davidson | Softail Sport Glide 107 | Softail | 2023 | |
| Harley Davidson | Softail Sport Glide 107 | Softail | 2024 | |
| Harley Davidson | Softail Slim 107 | Softail | 2018 | |
| Harley Davidson | Softail Slim 107 | Softail | 2019 | |
| Harley Davidson | Softail Slim 107 | Softail | 2020 | |
| Harley Davidson | Softail Slim 107 | Softail | 2021 | |
| Harley Davidson | Road Glide Ultra 107 | Touring | 2017 | |
| Harley Davidson | Road Glide Ultra 107 | Touring | 2018 | |
| Harley Davidson | Road Glide 107 | Touring | 2018 | |
| Harley Davidson | Road Glide 107 | Touring | 2019 | |
| Harley Davidson | Road Glide 107 | Touring | 2018 | |
| Harley Davidson | Road Glide 107 | Touring | 2019 | |
| Harley Davidson | Road Glide 107 | Touring | 2020 | |
| Harley Davidson | Road Glide 107 | Touring | 2021 | |
| Harley Davidson | Road Glide 107 | Touring | 2022 | |
| Harley Davidson | Road Glide 107 | Touring | 2023 | |
| Harley Davidson | Road Glide Special 107 | Touring | 2017 | |
| Harley Davidson | Road Glide Special 107 | Touring | 2018 | |
| Harley Davidson | Softail Street Bob 107 | Softail | 2018 | |
| Harley Davidson | Softail Street Bob 107 | Softail | 2019 | |
| Harley Davidson | Softail Street Bob 107 | Softail | 2020 | |
| Harley Davidson | Softail Street Bob 114 | Softail | 2022 | |
| Harley Davidson | Softail Street Bob 114 | Softail | 2023 | |
| Harley Davidson | Softail Street Bob 114 | Softail | 2024 | |
| Harley Davidson | Softail Breakout 107 | Softail | 2018 | |
| Harley Davidson | Softail Breakout 107 | Softail | 2019 | |
| Harley Davidson | Softail Breakout 107 | Softail | 2020 | |
| Harley Davidson | Softail Fat Bob 107 | Softail | 2018 | |
| Harley Davidson | Softail Fat Bob 107 | Softail | 2019 | |
| Harley Davidson | Softail Fat Bob 107 | Softail | 2021 | |
| Harley Davidson | Softail Low Rider 107 | Softail | 2018 | |
| Harley Davidson | Softail Low Rider 107 | Softail | 2019 | |
| Harley Davidson | Softail Low Rider 107 | Softail | 2020 | |
| Harley Davidson | Softail Standard | Softail | 2021 | |
| Harley Davidson | Softail Standard | Softail | 2021 | |
| Harley Davidson | Softail Standard | Softail | 2022 | |
| Harley Davidson | Softail Standard | Softail | 2023 | |
| Harley Davidson | Softail Standard | Softail | 2024 |
We use necessary cookies to make the shop work. With your permission we would also use analytics (Google Analytics 4) to understand how the shop is used. Rejecting is as easy as accepting, and you can change your choice at any time. Cookie Policy.
Choose what we may use. Nothing is switched on unless you switch it on. Your choice is stored for 12 months and you can change or withdraw it at any time from the "Cookie settings" link at the bottom of every page. Cookie Policy.
Needed for the shop to work: your session, shopping cart, login, security and remembering this choice. They cannot be switched off.
Help us understand how visitors use the shop: pages viewed, device and approximate location. Visits are measured with Google Analytics 4 through our own Cloudflare proxy. Google sets no cookies of its own (_ga); Cloudflare keeps two first-party measurement cookies on our domain, which are deleted if you withdraw. It also covers a coarse record of the channel that brought your visit or order.
The shop does not use marketing or advertising cookies at the moment. If that ever changes, we will ask you again before using any.