Fidanza adjustable cam gears are made from the highest quality 6061 T6 Aluminum. They are CNC machined to more exacting tolerances than the OEM gears. The tooth edges are beveled to increase belt life. With twelve degrees (both advance and retard) of laser etched adjustments, you can be assured of proper and precise tuning. These cams gears fit all 1990 to 1999 Eagle Talon, Mitsubishi Eclipse Turbo motors and 2003 to 2005 Mitsubishi Evolution VIII. Please note that the 95 to 96 4G63 engines only fit the exhaust cam. So be sure to choose only the exhaust cam when ordering for those year vehicles. The price is for one cam gear so be sure to order the exhaust cam gear and intake cam gear if you require both.