New and Updated AB6 CV/AXLE Shaft - 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 Fits: Polaris BIG BOSS 400L 6x6 1995-1997 BIG BOSS 500 6x6 1998-2001 SPORTSMAN 335 1999-2000 SPORTSMAN 400 4x4 1997 2001 SPORTSMAN 400 4x4 before 12-7-00 2001 SPORTSMAN 500 4x4 RSE 2000-2001 SPORTSMAN 500 4x4 RSE (after 9/98) 1999 SPORTSMAN 500 4x4 RSE (before 9/98) 1999 SPORTSMAN 500 6x6 2000-2001 SPORTSMAN 500 HO 4x4 2001 WORKER 500 4x4 (after 9/98) 1999 XPLORER 300 4x4 1996-1999 XPLORER 400L 4x4 1997-1998 Xpedition 325 2000-2002 Xpedition 425 2000-2001