SPROCKET FOR ROTOR ENGINE 65 77 160 163 165 180 260 263 280 380 480 .404" TEETH 7 SPROCKET : 79.00 ATTACHMENT: 13.00 MEASURED BORE WITH ROLLER CAGE HU402-B7N HEIGHT: 35.70 HUSQVARNA Part No.: 001718 Original part No.: 501203701