S&S Cycle SS33-4275 Camshaft Gear Drive Kit for Big Twin 99-05Gear driven cam gear kits come with everything needed to replace the gears on a set of gear driven cams for 1999 2006 big twin and S&S T Series engines using a 1999 2006 style cam plate. Two inner cam gears, two woodruff keys, outer pinion gear, outer cam gear, parallel key and required 3 8 24 bolt and washer are included.