This pair of new CV axles fit rear left & right on the following Polaris ATVs * 2003-2005 Sportsman 400, 2006-2007 Sportsman 450, 2003-2010 Sportsman 500 (excluding Touring models), 2003-2005 Sportsman 600, 2003-2007 Sportsman 700, 2005-2009 Sportsman 800 4x4/6x6 (excluding Touring & X2 models), 2005-2007 Sportsman MV7 4x4 * Axles feature a stronger than OEM chromoly forged steel axle bar * Greased with a moly based grease to provide superior joint lubrication * Fitted with neoprene CV boots for added wear and puncture resistance * Compressed overall axle length: 549 mm (both), inobard CV joint spline count: 36 (both), outboard CV joint spline count: 26 (both) * Replaces OE # 1380197, 1380240.