These brand new sintered metal severe duty brake pads fit the following Polaris ATVs 1990 250 2x4 and 4x4 1993 250 2x4 and 4x4 1989 1992 Big Boss 250 4x4 1991 1993 Big Boss 250 6x6 1990 2000 Trail Blazer 250 2001 2004 Trail Blazer 250 Freedom 2005 2006 Trail Blazer 250 1988 1999 Trail Boss 250 Includes two sets of brake pads, as pictured color may vary This set is enough to replace the pads on both front calipers Forward Powersports severe duty brake pads are made of a sintered bronze compound. Our exclusive high-density mix extends pad life for use in extreme conditions such as sand, mud, water and farm usage. If long life is your main concern, these brake pads are your best choice. They will last much longer than any semi-metallic or organic brake pad on the market.