QuadBoss 07-12 Yamaha YFM400FB Big Bear 4x4 IRS IRS Knuckle Only Rear Independent Susp Repair KitSelf lubricating acetal nylon bushings for better wear and performance. All metal bushings are case hardened and plated to prevent wear and corrosion. This Part Fits: Year Make Model Submodel 2002 2008 Yamaha YFM660F Grizzly 4x4 Base 2018 2019 Yamaha YFM700 Grizzly EPS Base 2006 2009 Yamaha YXR45F Rhino 450 Base 2004 2007 Yamaha YXR66F Rhino 660 Base 2008 2013 Yamaha YXR700F Rhino 700 FI Base