- 4-stroke kits contain header gasket
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 1985-1986 | Honda | ATC350X | |
| 1986-1987 | Honda | FourTrax 350 TRX350 4x4 | |
| 1987-1989 | Honda | FourTrax Foreman 350 TRX350D 4x4 | |
| 1970-1971 | Honda | SL175 Motosport 175 | |
| 1999-2008 | Honda | Sportrax 400 TRX400EX 2x4 | |
| 2009 | Honda | TRX400X 2x4 | |
| 2012-2014 | Honda | TRX400X 2x4 | |
| 1982-1983 | Honda | XL250R | |
| 1984-1985 | Honda | XL350R | |
| 1982 | Honda | XL500R | |
| 1979-1981 | Honda | XL500S | |
| 1983-1987 | Honda | XL600R | |
| 1983-1985 | Honda | XR350R | |
| 1996-2004 | Honda | XR400R | |
| 1979-1980 | Honda | XR500 | |
| 1981-1984 | Honda | XR500R Pro Link 500 | |
| 1985-2000 | Honda | XR600R | |
| 1993-2009 | Honda | XR650L | |
| 2012-2021 | Honda | XR650L | |
| 2000-2007 | Honda | XR650R | |
| 2015-2020 | Polaris | Scrambler 850 | |
| 2014 | Polaris | Scrambler XP 850 HO | |
| 2014 | Polaris | Scrambler XP 850 LE HO EPS | |
| 2017 | Polaris | Sportsman 850 | |
| 2018-2020 | Polaris | Sportsman 850 High Lifter Edition | |
| 2014 | Polaris | Sportsman 850 LE Touring HO EPS | |
| 2015-2018 | Polaris | Sportsman SP 850 | |
| 2015-2019 | Polaris | Sportsman SP 850 Touring | |
| 2014 | Polaris | Sportsman XP 850 HO EPS | |