- Includes top compression rings, second compression rings, and oil control rings.
- Coated using PVD (Physical Vapor Deposition) process.
- Helps in the the heat transfer process between the piston and cylinder wall.
- Controls combustion chamber gases allowing the piston to transfer the energy of the expanding combustion gases, to the crankshaft.
- Reverse twist ring along with a taper-machined ring face duplicates the OD bottom side scraping edge of a positive twist torsional ring.
- Promotes side sealing that prevents oil from being forced under and behind the ring resulting in better oil economy.
- Three-piece design allows rails to be manufactured with a small cross sectional area for better conformability to bore.
- Provides uniform pressure through four steel rails and two expanders assuring positive oil control.
- Made in the USA.
- Includes enough rings for two pistons.
- Two rings per groove, except for the rails that will be two rail rings per one expander ring.
Top compression rings are Barrel Face.
Second compression rings are Napier.
Oil control rings are Three Piece Flex Vent.
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 2018-2020 | Harley-Davidson | Breakout FXBRS 114 | |
| 2023 | Harley-Davidson | Electra Glide Highway King FLHFB | |
| 2021 | Harley-Davidson | Electra Glide Revival | |
| 2018-2023 | Harley-Davidson | Fat Bob FXFBS 114 | |
| 2018-2023 | Harley-Davidson | Fat Boy FLFBS 114 | |
| 2019-2023 | Harley-Davidson | Freewheeler FLRT | |
| 2019-2020 | Harley-Davidson | FXDR FXDRS 114 | |
| 2018-2023 | Harley-Davidson | Heritage Classic FLHCS 114 | |
| 2020-2021 | Harley-Davidson | Low Rider S FXLRS 114 | |
| 2023 | Harley-Davidson | Road Glide 3 FLTRT | |
| 2020-2023 | Harley-Davidson | Road Glide Limited FLTRK | |
| 2019-2023 | Harley-Davidson | Road Glide Special FLTRXS | |
| 2019 | Harley-Davidson | Road Glide Ultra FLTRU | |
| 2019-2023 | Harley-Davidson | Road King Special FLHRXS | |
| 2021-2023 | Harley-Davidson | Street Bob FXBBS 114 | |
| 2019-2023 | Harley-Davidson | Street Glide Special FLHXS | |
| 2023 | Harley-Davidson | Tri Glide Ultra Classic FLHTCUTG | |
| 2019-2022 | Harley-Davidson | Tri Glide Ultra FLHTCUTG | |
| 2022 | Harley-Davidson | Tri Glide Ultra FLHTCUTG G.I. Enthusiast Collectio | |
| 2019-2023 | Harley-Davidson | Ultra Limited FLHTK | |
| 2019 | Harley-Davidson | Ultra Limited Low FLHTKL | |