Spring sets are heavy dutyMade in the U.S.A. Yamaha -- FZR 400 -- (1991, 1989, 1990, 1987, 1988); Yamaha -- FZR 600 -- (1995, 1990, 1997, 1989, 1991, 1993, 1996, 1994, 1992, 1998, 1999); Suzuki -- DR 200 SE -- (2013, 1996, 2009, 2000, 1997, 1999, 2003,...