You are purchasing new, complete, and fully assembled ATV axles, including both inboard and outboard CV/universal joints, as shown.Vehicle: 2009 Yamaha 550 Grizzly 4X4Submodel: YFM5FGPSEY EPS YFM5FGPHY EPS YFM5FGPYL EPS YFM5FGPYGR EPS YFM5FGPYB EPS YFM5FGHY YFM5FGYL YFM5FGYGR YFM5FGYBAxle Location: Front Left, Front Right, Rear Left, Rear RightThe Sixity XT Series OE-replacement ATV/UTV axles are proven to deliver outstanding performance for all types of trail and off-roading quads and 4-wheelers. Designed for durability through challenging terrain, Sixity XT CV axles outperform OEM axles in both quality and price.