Please note: Banshee 350 fitment is split. The 1987 and 1989-2006 axle will not fit a 1988, and the 1988 axle will not fit any other year. An adjustable rear axle lets you tune track width to the track instead of living with whatever the factory gave you. Run it narrow for tight woods and technical sections, wide for flat corners and stability at speed. Built to balance strength against rotational mass, so you get the adjustment without dragging acceleration down. ✓ Fits Yamaha YFZ450 2004-2005, YFZ450 2006 and newer non EFI, YFZ450R 2012 and newer EFI Yamaha Raptor 700 2006-2012, Raptor 700R 2013 and newer, Raptor 660 2001-2005, Raptor 350 Yamaha Warrior 350 1987 and newer, Blaster 200 1988-2006 Yamaha Banshee 350 1987 and 1989-2006, plus a separate 1988 only fitment Suzuki Z400 Quadsport 2003-2008, Arctic Cat DVX400 2004-2008, Kawasaki KFX400 2003-2006 Honda TRX450R 2004-2009 and 2012 and newer, TRX450ER 2006-2009 Honda TRX300EX 1993-2008, TRX300X 2009, TRX400EX 1999-2008, 2009, and 2012 and newer ✓ Features Adjustable width for track specific setup Balanced strength to weight for reduced rotational mass Precision machined for minimal friction Consistent handling and smooth cornering Built for racing use ✓ What's Included 1 adjustable width racing axle Track width is one of the fastest handling changes you can make without touching suspension. Narrow settles a machine into tight woods sections and lets you thread trees, while wide adds stability through flat corners and at speed. An adjustable axle lets you test both without buying two axles. Confirm your exact year and model against the fitment list before ordering, since several Yamaha applications split by year. Recheck your hub and lock nut torque after the first ride and any time you change the width setting. Ships fast!