Premium Blend | TC-W3 | Gallon Ideal for oil injection systems or pre-mix applications. Significantly reduced aquatic toxicity to fish compared to other outboard oils on the market today. Reduces ring sticking, deposit formation and exhaust port blockage. Less friction allowing for easier starting. Formulated to improve performance and extend engine life by reducing wear on critical engine components. Excellent performance with lower quality fuels. Exceeds the industry standards established in 1997.