Seller notes

Compatible Models: Fits Mercury outboard engines 175 hp to 300 hp and 450R 3.4L V6 and 4.6L V8 four-stroke outboard engines Superior Performance: The standard spark plug uses nickel alloy to make the center electrode and side electrodes, with excellent structural design, which not only extends the service life, but also ensures the best working performance. Standard spark plugs can ensure full ignition of fuel in the combustion chamber. According to actual test feedback, their effective service ...

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