🔧 Replacement piston ring set that includes top compression rings, second compression rings, and three-piece oil control rings.
Top compression rings are barrel face to aid heat transfer between the piston and cylinder wall and to control combustion gases so the piston can transfer energy to the crankshaft.
Second compression rings are reverse torsional taper face to promote side sealing that prevents oil from being forced under and behind the ring, resulting in better oil economy. The reverse twist ring with a taper-machined ring face duplicates the outer-diameter bottom-side scraping edge of a positive twist torsional ring.
Oil control rings are a three-piece flex vent design; the three-piece design allows rails to be manufactured with a small cross-sectional area for better conformability to the bore and provides uniform pressure through four steel rails and two expanders to assure positive oil control.
Made in the USA.
Please read the instructions furnished with the piston for correct top ring end gap and ring installation, as special attention is required due to the thermal conductivity and design of KB pistons.
Includes enough rings for two pistons. Two rings per groove, except for the rails that use two rail rings per one expander.
This product fits the following vehicles. Use the filters below to narrow down the list if needed.
| Manufacturer | Model | Family | Year | Notes |
|---|---|---|---|---|
| Harley Davidson | Electra Glide | Big Twin | 1978 | |
| Harley Davidson | Electra Glide | Big Twin | 1979 | |
| Harley Davidson | Electra Glide | Big Twin | 1980 | |
| Harley Davidson | Electra Glide | Big Twin | 1979 | |
| Harley Davidson | Electra Glide | Big Twin | 1980 | |
| Harley Davidson | Electra Glide | Big Twin | 1981 | |
| Harley Davidson | Electra Glide | Big Twin | 1982 | |
| Harley Davidson | Electra Glide Belt Drive | Big Twin | 1984 | |
| Harley Davidson | Road King | Touring | 1994 | |
| Harley Davidson | Road King | Touring | 1995 | |
| Harley Davidson | Road King | Touring | 1996 | |
| Harley Davidson | Road King | Touring | 1997 | |
| Harley Davidson | Road King | Touring | 1998 | |
| Harley Davidson | Road King Classic | Touring | 1998 | |
| Harley Davidson | Electra Glide Sport | Touring | 1980 | |
| Harley Davidson | Electra Glide Sport | Touring | 1987 | |
| Harley Davidson | Electra Glide Sport | Touring | 1988 | |
| Harley Davidson | Electra Glide Sport | Touring | 1989 | |
| Harley Davidson | Electra Glide Sport | Touring | 1990 | |
| Harley Davidson | Electra Glide Sport | Touring | 1991 | |
| Harley Davidson | Electra Glide Sport | Touring | 1992 | |
| Harley Davidson | Electra Glide Sport | Touring | 1993 | |
| Harley Davidson | Electra Glide | Touring | 1983 | |
| Harley Davidson | Electra Glide | Touring | 1986 | |
| Harley Davidson | Electra Glide | Touring | 1987 | |
| Harley Davidson | Electra Glide Classic | Touring | 1983 | |
| Harley Davidson | Electra Glide Classic | Touring | 1984 | |
| Harley Davidson | Electra Glide Classic | Touring | 1985 | |
| Harley Davidson | Electra Glide Classic | Touring | 1986 | |
| Harley Davidson | Electra Glide Classic | Touring | 1987 | |
| Harley Davidson | Electra Glide Classic | Touring | 1988 | |
| Harley Davidson | Electra Glide Classic | Touring | 1989 | |
| Harley Davidson | Electra Glide Classic | Touring | 1990 | |
| Harley Davidson | Electra Glide Classic | Touring | 1991 | |
| Harley Davidson | Electra Glide Classic | Touring | 1992 | |
| Harley Davidson | Electra Glide Classic | Touring | 1993 | |
| Harley Davidson | Electra Glide Classic | Touring | 1994 | |
| Harley Davidson | Electra Glide Classic | Touring | 1995 | |
| Harley Davidson | Electra Glide Classic | Touring | 1996 | |
| Harley Davidson | Electra Glide Classic | Touring | 1997 | |
| Harley Davidson | Electra Glide Classic | Touring | 1998 | |
| Harley Davidson | Electra Glide Classic | Touring | 1996 | |
| Harley Davidson | Electra Glide Classic | Touring | 1997 | |
| Harley Davidson | Electra Glide Classic | Touring | 1998 | |
| Harley Davidson | Electra Glide Ultra Classic | Touring | 1989 | |
| Harley Davidson | Electra Glide Ultra Classic | Touring | 1990 | |
| Harley Davidson | Electra Glide Ultra Classic | Touring | 1991 | |
| Harley Davidson | Electra Glide Ultra Classic | Touring | 1992 | |
| Harley Davidson | Electra Glide Ultra Classic | Touring | 1993 | |
| Harley Davidson | Electra Glide Ultra Classic | Touring | 1994 | |
| Harley Davidson | Electra Glide Ultra Classic | Touring | 1995 | |
| Harley Davidson | Electra Glide Ultra Classic | Touring | 1996 | |
| Harley Davidson | Electra Glide Ultra Classic | Touring | 1997 | |
| Harley Davidson | Electra Glide Ultra Classic Special Anniversary Edition | Touring | 1995 | |
| Harley Davidson | Electra Glide Ultra Classic | Touring | 1996 | |
| Harley Davidson | Electra Glide Ultra Classic | Touring | 1997 | |
| Harley Davidson | Electra Glide Ultra Classic | Touring | 1998 | |
| Harley Davidson | Heritage Softail | Softail | 1986 | |
| Harley Davidson | Heritage Softail | Softail | 1987 | |
| Harley Davidson | Heritage Softail | Softail | 1988 | |
| Harley Davidson | Heritage Softail | Softail | 1989 | |
| Harley Davidson | Heritage Softail | Softail | 1990 | |
| Harley Davidson | Heritage Softail Classic | Softail | 1988 | |
| Harley Davidson | Heritage Softail Classic | Softail | 1989 | |
| Harley Davidson | Heritage Softail Classic | Softail | 1990 | |
| Harley Davidson | Heritage Softail Classic | Softail | 1991 | |
| Harley Davidson | Heritage Softail Classic | Softail | 1992 | |
| Harley Davidson | Heritage Softail Classic | Softail | 1993 | |
| Harley Davidson | Heritage Softail Classic | Softail | 1994 | |
| Harley Davidson | Heritage Softail Classic | Softail | 1995 | |
| Harley Davidson | Heritage Softail Classic | Softail | 1996 | |
| Harley Davidson | Heritage Softail Classic | Softail | 1997 | |
| Harley Davidson | Heritage Softail Classic | Softail | 1998 | |
| Harley Davidson | Heritage Softail Classic | Softail | 1999 | |
| Harley Davidson | Fat Boy | Softail | 1990 | |
| Harley Davidson | Fat Boy | Softail | 1991 | |
| Harley Davidson | Fat Boy | Softail | 1992 | |
| Harley Davidson | Fat Boy | Softail | 1993 | |
| Harley Davidson | Fat Boy | Softail | 1994 | |
| Harley Davidson | Fat Boy | Softail | 1995 | |
| Harley Davidson | Fat Boy | Softail | 1996 | |
| Harley Davidson | Fat Boy | Softail | 1997 | |
| Harley Davidson | Fat Boy | Softail | 1998 | |
| Harley Davidson | Fat Boy | Softail | 1999 | |
| Harley Davidson | Heritage Softail Special/Nostalgia | Softail | 1993 | |
| Harley Davidson | Heritage Softail Special/Nostalgia | Softail | 1994 | |
| Harley Davidson | Heritage Softail Special/Nostalgia | Softail | 1995 | |
| Harley Davidson | Heritage Softail Springer | Softail | 1997 | |
| Harley Davidson | Heritage Softail Springer | Softail | 1998 | |
| Harley Davidson | Heritage Softail Springer | Softail | 1999 | |
| Harley Davidson | Tour Glide Classic | Touring | 1983 | |
| Harley Davidson | Tour Glide Classic | Touring | 1984 | |
| Harley Davidson | Tour Glide Ultra Classic | Touring | 1989 | |
| Harley Davidson | Tour Glide Ultra Classic | Touring | 1990 | |
| Harley Davidson | Tour Glide Ultra Classic | Touring | 1991 | |
| Harley Davidson | Tour Glide Ultra Classic | Touring | 1992 | |
| Harley Davidson | Tour Glide Ultra Classic | Touring | 1993 | |
| Harley Davidson | Tour Glide Ultra Classic | Touring | 1994 | |
| Harley Davidson | Tour Glide Ultra Classic | Touring | 1995 | |
| Harley Davidson | Tour Glide Ultra Classic | Touring | 1996 | |
| Harley Davidson | Road Glide | Touring | 1998 | |
| Harley Davidson | Sturgis | Big Twin | 1980 | |
| Harley Davidson | Sturgis | Big Twin | 1981 | |
| Harley Davidson | Sturgis | Big Twin | 1982 | |
| Harley Davidson | Dyna Super Glide | Dyna | 1995 | |
| Harley Davidson | Dyna Super Glide | Dyna | 1996 | |
| Harley Davidson | Dyna Super Glide | Dyna | 1997 | |
| Harley Davidson | Dyna Super Glide | Dyna | 1998 | |
| Harley Davidson | Dyna Glide Sturgis | Dyna | 1991 | |
| Harley Davidson | Dyna Glide Daytona | Dyna | 1992 | |
| Harley Davidson | Dyna Glide Custom | Dyna | 1992 | |
| Harley Davidson | Big Twin | 1983 | ||
| Harley Davidson | Dyna Low Rider | Dyna | 1993 | |
| Harley Davidson | Dyna Low Rider | Dyna | 1994 | |
| Harley Davidson | Dyna Low Rider | Dyna | 1995 | |
| Harley Davidson | Dyna Low Rider | Dyna | 1996 | |
| Harley Davidson | Dyna Low Rider | Dyna | 1997 | |
| Harley Davidson | Dyna Low Rider | Dyna | 1998 | |
| Harley Davidson | Dyna Super Glide Convertible | Dyna | 1994 | |
| Harley Davidson | Dyna Super Glide Convertible | Dyna | 1995 | |
| Harley Davidson | Dyna Super Glide Convertible | Dyna | 1996 | |
| Harley Davidson | Dyna Super Glide Convertible | Dyna | 1997 | |
| Harley Davidson | Dyna Super Glide Convertible | Dyna | 1998 | |
| Harley Davidson | Dyna Wide Glide | Dyna | 1993 | |
| Harley Davidson | Dyna Wide Glide | Dyna | 1994 | |
| Harley Davidson | Dyna Wide Glide | Dyna | 1995 | |
| Harley Davidson | Dyna Wide Glide | Dyna | 1996 | |
| Harley Davidson | Dyna Wide Glide | Dyna | 1997 | |
| Harley Davidson | Dyna Wide Glide | Dyna | 1998 | |
| Harley Davidson | Super Glide | Big Twin | 1981 | |
| Harley Davidson | Super Glide | Big Twin | 1982 | |
| Harley Davidson | Super Glide | Big Twin | 1983 | |
| Harley Davidson | Fat Bob | Big Twin | 1979 | |
| Harley Davidson | Fat Bob | Big Twin | 1980 | |
| Harley Davidson | Fat Bob | Big Twin | 1981 | |
| Harley Davidson | Low Rider Custom | FXR | 1987 | |
| Harley Davidson | Low Rider Custom | FXR | 1988 | |
| Harley Davidson | Low Rider Custom | FXR | 1989 | |
| Harley Davidson | Low Rider Custom | FXR | 1990 | |
| Harley Davidson | Low Rider Custom | FXR | 1991 | |
| Harley Davidson | Low Rider Custom | FXR | 1992 | |
| Harley Davidson | Low Rider Custom | FXR | 1993 | |
| Harley Davidson | Low Rider Custom | FXR | 1994 | |
| Harley Davidson | Super Glide | FXR | 1986 | |
| Harley Davidson | Super Glide | FXR | 1987 | |
| Harley Davidson | Super Glide | FXR | 1988 | |
| Harley Davidson | Super Glide | FXR | 1989 | |
| Harley Davidson | Super Glide | FXR | 1990 | |
| Harley Davidson | Super Glide | FXR | 1991 | |
| Harley Davidson | Super Glide | FXR | 1992 | |
| Harley Davidson | Super Glide | FXR | 1993 | |
| Harley Davidson | Super Glide | FXR | 1994 | |
| Harley Davidson | Super Glide II | FXR | 1982 | |
| Harley Davidson | Super Glide II | FXR | 1983 | |
| Harley Davidson | Low Glide Custom | FXR | 1985 | |
| Harley Davidson | Low Glide Custom | FXR | 1987 | |
| Harley Davidson | Disc Glide | FXR | 1986 | |
| Harley Davidson | Disc Glide | Big Twin | 1984 | |
| Harley Davidson | Low Glide | FXR | 1984 | |
| Harley Davidson | Low Rider | FXR | 1986 | |
| Harley Davidson | Low Rider | FXR | 1987 | |
| Harley Davidson | Low Rider | FXR | 1988 | |
| Harley Davidson | Low Rider | FXR | 1989 | |
| Harley Davidson | Low Rider | FXR | 1990 | |
| Harley Davidson | Low Rider | FXR | 1991 | |
| Harley Davidson | Low Rider | FXR | 1992 | |
| Harley Davidson | Super Glide II | FXR | 1982 | |
| Harley Davidson | Low Rider Convertible | FXR | 1990 | |
| Harley Davidson | Low Rider Convertible | FXR | 1991 | |
| Harley Davidson | Low Rider Convertible | FXR | 1992 | |
| Harley Davidson | Low Rider Convertible | FXR | 1993 | |
| Harley Davidson | Low Rider Sport Edition (Fxrsl) | FXR | 1988 | |
| Harley Davidson | Low Rider Sport Edition (Fxrsl) | FXR | 1989 | |
| Harley Davidson | Low Rider Sport Edition (Fxrsl) | FXR | 1990 | |
| Harley Davidson | Low Rider Sport Edition (Fxrsl) | FXR | 1991 | |
| Harley Davidson | Low Rider Sport Edition (Fxrsl) | FXR | 1992 | |
| Harley Davidson | Low Rider Sport Edition (Fxrsl) | FXR | 1993 | |
| Harley Davidson | Sport Glide | FXR | 1984 | |
| Harley Davidson | Sport Glide | FXR | 1985 | |
| Harley Davidson | Sport Glide | FXR | 1986 | |
| Harley Davidson | Sport Glide | FXR | 1987 | |
| Harley Davidson | Sport Glide | FXR | 1988 | |
| Harley Davidson | Sport Glide | FXR | 1989 | |
| Harley Davidson | Sport Glide | FXR | 1990 | |
| Harley Davidson | Sport Glide | FXR | 1991 | |
| Harley Davidson | Sport Glide | FXR | 1992 | |
| Harley Davidson | Low Rider | Big Twin | 1979 | |
| Harley Davidson | Low Rider | Big Twin | 1980 | |
| Harley Davidson | Low Rider | Big Twin | 1981 | |
| Harley Davidson | Low Rider | Big Twin | 1982 | |
| Harley Davidson | Low Rider | Big Twin | 1984 | |
| Harley Davidson | Softail | Softail | 1985 | |
| Harley Davidson | Softail | Softail | 1986 | |
| Harley Davidson | Softail | Softail | 1987 | |
| Harley Davidson | Softail | Softail | 1988 | |
| Harley Davidson | Softail | Softail | 1989 | |
| Harley Davidson | Softail | Softail | 1990 | |
| Harley Davidson | Softail | Softail | 1999 | |
| Harley Davidson | Softail Night Train | Softail | 1999 | |
| Harley Davidson | Softail Custom | Softail | 1986 | |
| Harley Davidson | Softail Custom | Softail | 1987 | |
| Harley Davidson | Softail Custom | Softail | 1988 | |
| Harley Davidson | Softail Custom | Softail | 1989 | |
| Harley Davidson | Softail Custom | Softail | 1990 | |
| Harley Davidson | Softail Custom | Softail | 1991 | |
| Harley Davidson | Softail Custom | Softail | 1992 | |
| Harley Davidson | Softail Custom | Softail | 1993 | |
| Harley Davidson | Softail Custom | Softail | 1994 | |
| Harley Davidson | Softail Custom | Softail | 1995 | |
| Harley Davidson | Softail Custom | Softail | 1996 | |
| Harley Davidson | Softail Custom | Softail | 1997 | |
| Harley Davidson | Softail Custom | Softail | 1998 | |
| Harley Davidson | Softail Springer | Softail | 1988 | |
| Harley Davidson | Softail Springer | Softail | 1989 | |
| Harley Davidson | Softail Springer | Softail | 1990 | |
| Harley Davidson | Softail Springer | Softail | 1991 | |
| Harley Davidson | Softail Springer | Softail | 1992 | |
| Harley Davidson | Softail Springer | Softail | 1993 | |
| Harley Davidson | Softail Springer | Softail | 1994 | |
| Harley Davidson | Softail Springer | Softail | 1995 | |
| Harley Davidson | Softail Springer | Softail | 1996 | |
| Harley Davidson | Softail Springer | Softail | 1997 | |
| Harley Davidson | Softail Springer | Softail | 1998 | |
| Harley Davidson | Softail Springer | Softail | 1999 | |
| Harley Davidson | Bad Boy | Softail | 1995 | |
| Harley Davidson | Bad Boy | Softail | 1996 | |
| Harley Davidson | Bad Boy | Softail | 1997 | |
| Harley Davidson | Wide Glide | Big Twin | 1980 | |
| Harley Davidson | Wide Glide | Big Twin | 1981 | |
| Harley Davidson | Wide Glide | Big Twin | 1982 | |
| Harley Davidson | Wide Glide | Big Twin | 1983 | |
| Harley Davidson | Wide Glide | Big Twin | 1984 | |
| Harley Davidson | Wide Glide | Big Twin | 1985 | |
| Harley Davidson | Wide Glide | Big Twin | 1986 |