This 4 pack of Champion spark plugs is a must-have for any marine enthusiast. With their high-quality construction and reliable performance, these spark plugs are sure to keep your outboard engine running smoothly. The copper material ensures durability and longevity, while the QL82YC manufacturer part number ensures compatibility with a wide range of marine engines. Whether you're a professional or a weekend warrior, these spark plugs are an essential component for any boat owner.