Description:

Replaces OEM Part: Polaris 3221043. Compatible with: Polaris 1987-1993 Trail Boss 250, 1991-1993 Trail Boss 350L, 2000-2002 Trail Boss 325, 2003-2013 Trail Boss 330, 1989-1993 Big Boss 250, 1994 Big Boss 300, 1994, 1997 Big Boss 400L,. Compatible with: Polaris 1995-1998 Magnum 425, 1986 Scrambler 250, 1997 Scrambler 500, 1987 Cyclone 250X, 1990-2006 Trail Blazer 250, 2003-2013 Trail Blazer 330, 1995-1998 Magnum 425 4x4, 1996 Magnum. Pitch: 520, Teeth: 11; Sprocket Material consists of SAE 1023 structural carbon steel. Hub Inner Diameter 22.7mm; Hub 2 (ID) 25mm.