Please note, these wheel spacers are not model specific. They are designed to fit a bolt pattern, in this case 4/115. This means the wheel hub has 4 studs that are 115mm apart. The studs in these spacers are 10mm M10x1.25mm . Please see the second image for clarification. Manufactured by Factory Spec 1 Pair of 2 spacers adds 4 total width, makes it easy to widen the stance of your ATV. Provides extra stability and has the ability to accommodate larger tires. Studs are integrated, you do not need to remove the stock studs for installation. Hardware included for easy installation Constructed of 6061 T-6 aluminum for maximum strength and durability These spacers will work with a bolt pattern of 4/115 The REAR of the following models have a bolt pattern of 4/115 1987 Yamaha Banshee 350 YFZ350 Rear Only 1987 Yamaha Warrior 350 YFM350X Rear Only 1988 Yamaha Banshee 350 YFZ350 Rear Only 1988 Yamaha Warrior 350 YFM350X Rear Only 1989 Yamaha Warrior 350 YFM350X Rear Only 1990 Yamaha Warrior 350 YFM350X Rear Only 1991 Yamaha Banshee 350 YFZ350 Rear Only 1991 Yamaha Warrior 350 YFM350X Rear Only 1992 Yamaha Banshee 350 YFZ350 Rear Only 1992 Yamaha Warrior 350 YFM350X Rear Only 1993 Yamaha Banshee 350 YFZ350 Rear Only 1993 Yamaha Warrior 350 YFM350X Rear Only 1994 Yamaha Banshee 350 YFZ350 Rear Only 1994 Yamaha Warrior 350 YFM350X Rear Only 1995 Yamaha Banshee 350 YFZ350 Rear Only 1995 Yamaha Warrior 350 YFM350X Rear Only 1996 Yamaha Banshee 350 YFZ350 Rear Only 1996 Yamaha Warrior 350 YFM350X Rear Only 1997 Yamaha Banshee 350 YFZ350 Rear Only 1997 Yamaha Warrior 350 YFM350X Rear Only 1998 Yamaha Banshee 350 YFZ350 Rear Only 1998 Yamaha Warrior 350 YFM350X Rear Only 1999 Yamaha Banshee 350 YFZ350 Rear Only 1999 Yamaha Warrior 350 YFM350X Rear Only 2000 Yamaha Banshee 350 YFZ350 Rear Only 2000 Yamaha Warrior 350 YFM350X Rear Only 2001 Yamaha Banshee 350 YFZ350 Rear Only 2001 Yamaha Raptor 660 YFM660R Rear Only 2001 Yamaha Warrior 350 YFM350X Rear Only 2002 Yamaha Banshee 350 YFZ350 Rear Only 2002 Yamaha Raptor 660 YFM660R Rear Only 2002 Yamaha Warrior 350 YFM350X Rear Only 2003 Yamaha Banshee 350 YFZ350 Rear Only 2003 Yamaha Raptor 660 YFM660R Rear Only 2003 Yamaha Warrior 350 YFM350X Rear Only 2004 Yamaha Banshee 350 YFZ350 Rear Only 2004 Yamaha Raptor 350 YFM350R Rear Only 2004 Yamaha Raptor 660 YFM660R Rear Only 2004 Yamaha Warrior 350 YFM350X Rear Only 2004 Yamaha YFZ450 Rear Only 2005 Yamaha Banshee 350 YFZ350 Rear Only 2005 Yamaha Raptor 350 YFM350R Rear Only 2005 Yamaha Raptor 660 YFM660R Rear Only 2005 Yamaha YFZ450 Rear Only