Factory Spec severe duty brake pads are made of a sintered bronze compound. Their 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. Manufactured by Factory Spec Included is two sets of brake pads, as pictured This is enough to replace the pads on the front calipers Made in China These sintered metal brake pads fit the following models ***Fits 4x4i models only*** 2006 Kawasaki Brute Force 650 4x4i 2007 Kawasaki Brute Force 650 4x4i 2008 Kawasaki Brute Force 650 4x4i 2009 Kawasaki Brute Force 650 4x4i 2011 Kawasaki Brute Force 650 4x4i 2012 Kawasaki Brute Force 650 4x4i 2013 Kawasaki Brute Force 650 4x4i