New and Updated AB8 ATV CV/AXLE ShaftNow improved with stronger 8 Ball design.- 40% stronger than OEM- Larger 4340 chrome-moly steel axle bar- Precision ground components- Low profile clamps- Neoprene boots- Engineered in the USA- MFG. in an ISO facility- Assembled with 3% moly grease- New Improved and Stronger 8 Ball Joint Fits: Polaris SPORTSMAN 400 4X4 2011 SPORTSMAN 400 HO 4X4 2012 SPORTSMAN 450 2007 SPORTSMAN 500 4X4 HO 2007-2008 SPORTSMAN 500 EFI 2007-2009 SPORTSMAN 500 FOREST 2011-2012 SPORTSMAN 500 FOREST TRACTOR 2011-2012 SPORTSMAN 500 HO 4X4 2012 SPORTSMAN 500 HO 4x4 2009-2011 SPORTSMAN 500 TOURING EFI 2008-2012 SPORTSMAN 500 X2 2006-2009 SPORTSMAN 700 TWIN 4x4 2007 SPORTSMAN 700 TWIN EFI 4x4 2007 SPORTSMAN 700 X2 TWIN EFI 2008 SPORTSMAN 800 EFI 2007-2012 SPORTSMAN 800 EFI 6x6 2009-2012 SPORTSMAN 800 EFI built 1/31/08 and before 2008 SPORTSMAN 800 EFI built 2/31/08 and after 2008 SPORTSMAN 800 FOREST EFI 2012 SPORTSMAN 800 TOURING EFI 2008-2009 SPORTSMAN X2 800 EFI 2007-2009