Vintage ARCTIC CAT PPD Snowmobile Track Drive Sprocket Part No. 04-108-06  Outside, without metal band  8 tooth, .965" hex hole x 2.52" pitch Arctic Cat 1976-78  Cheetah  1975-78  El Tigre (except 250) 1779-80  El Tigre F/A 1975-80  Jag 1979       Trail Cat F/C 1981       Trail Cat 4000 F/C