- Simple but effective way to shift the torque curve to favor the low-end to mid-range band of the rev range
- CNC-machined, eliminating interference problems when installing; includes gaskets and bolts
- Insert spacer between cylinder and reed valve
- Made in the U.S.A.
Honda -- CR85R -- (2005, 2006, 2007, 2003, 2004, 1986, 1999, 2002, 1991, 2000, 1988, 1989, 1998, 1992, 1997, 1996, 1987, 1994, 1990, 1993, 1995, 2001); Honda -- CR80R -- (2001, 2002, 1999, 2000, 1996, 1987, 1988, 1993, 1990, 1995, 1998, 1989, 1994, 1992, 1997, 1986, 1991, 2003, 2006, 2007, 2004, 2005)