Recommended for use in air-cooled 2-cycle engines where API TC is required. Mix Itasca 2-Cycle Engine Oil with gasoline in a clean can. To mix, partly fill the can with gasoline. Add the correct amount of engine oil and shake the can well before adding the remaining gasoline for the proper mixture ratio. Check owner's manual for proper recommendation. www.warrenoil.com. Made in USA from domestic & imported components.