- All valve guides are made of Ampco-45, a high-performance compound with 80% copper content to provide great heat conductivity and 5% nickel content for wear resistance
- Made in the U.S.A.
Honda -- XR200R -- (1984, 1985, 1998, 1999, 2001, 2002, 1983, 2000, 1996, 1992, 1994, 1995, 1997, 1989, 1991, 1986, 1988, 1987, 1993, 1990); Honda -- XR250R -- (1987, 1989, 1986, 1990, 1984, 1991, 1988, 1994, 1995, 1992, 1985, 1993); Honda -- XL250R -- (1986, 1984, 1987, 1985)