AC 41-983 @4 8M0129146

For MerCruiser 496 Mag & HO and MIE 8.1L & HO. The Quicksilver brand is the leader in delivering uncompromising engine oils, parts and accessories to the marine industry for over 65 years.Quicksilver is the premier supplier of Mercury Marine original equipment replacement engine parts, oils, and accessories, but also works to serve all original equipment brands in the marine and powersports industries.It has earned a loyal following by providing the highest quality products that are tested through some of the most rigorous environments and testing procedures. No aftermarket company comes close to the level of research and design as Quicksilver; buying Quicksilver is buying performance, protection and peace of mind. - Made by AC Delco with nickel alloy tip, copper core and ribbed suppressor seal for durability and performance - Check your engine owner’s manual for the correct spark plug and use only the plug as recommended by your engine’s original equipment manufacturer - Don’t just clean used spark plugs, replace them with new plugs for better performance - Replace all the engine plugs at the same time