Description
For MerCruiser 496 Mag & HO and MIE 8.1L & HO.
- Made by AC Delco with nickel alloy tip, copper core and ribbed suppressor seal for durability and performance
- Check your engine owners manual for the correct spark plug and use only the plug as recommended by your engines original equipment manufacturer
- Dont just clean used spark plugs, replace them with new plugs for better performance
- Replace all the engine plugs at the same time
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