TC-W3. Certified NMMA. Enhance Engine Performance. Valvoline's Outboard 2 Cycle Marine Oil is ideal for water-cooled, High Revving 2 cycle engines with pre-mix or oil injection system. Minimizes wear, combustion chamber deposits, ring sticking, piston burning, port blocking and spark plug fouling. Prolong engine life. Specifications: Meet and exceeds the warranty requirements of all leading outboard manufactures. NMMA/(BIA), TC-W3 approved. Questions? Comments? Call 1-800-Team Val. 24-hour emergency number 1-800-825-8654. Made in USA of foreign and domestic materials.