Keep your marine engine running smoothly with this comprehensive oil change kit designed specifically for Mercury 175-225 HP 3.4L V6 and 250-300 HP 4.6L V8 engines. This kit includes premium 10W-30 marine-grade oil formulated to provide superior protection against wear and corrosion in demanding marine environments. Perfect for routine maintenance, this complete kit contains everything needed for a proper oil change, ensuring optimal engine performance and longevity. Suitable for both V6 and V8 Mercury outboard motors within the specified horsepower ranges, this kit makes maintenance straightforward and hassle-free. Regular oil changes with the correct marine-specific oil are crucial for protecting your investment and maintaining peak engine performance on the water.