Front and Rear Sintered Brake Pads for Yamaha YFM 660 F Grizzly/ 660 Hunter Edition 2002-2008 Package Contents: 2 sets of front and 1 set of rear pads (6 pcs) Position: Front & Rear Brake Pad Material: Sintered Sintered brakes last longer, handle the heat of heavy braking better and good for wet weather Higher coefficient of friction, less heat for cooler stops and longer life