The S3 sintered compound is optimal for street bikes, dual sport, touring, cruisers. It's recommended on applications with rather larger engines or for people who ride harder than average and want the great stopping power of a sintered brake pad. Fits: Suzuki GSX1100EF 1984-1986 GSX1100ES 1984-1985 GSX1100F 1988-1994 GSX400X Impulse 1986 GSXR1100 1986-1988 GSXR750 1985-1987 RG500 1986-1989 S50 BOULEVARD VS800 2005-2009 S83 BOULEVARD VS1400 2007-2009 VL1500 INTRUDER 1998-2001 VS1400 INTRUDER 1997-2004 VS1400GL INTRUDER 1987 VS1400GLP INTRUDER 1988-1996 VS750 INTRUDER 1985-1991 VS800 INTRUDER 1992-2004 Yamaha SRX250 1984-1989