Mercruiser 5.0 Spark Plugs
I have a 3 liter mercruiser, may be head gasket, can i send pictures? Spark optimax mercury Ngk spark plug izfr5g
NGK Spark Plug IZFR5G - Mercury Mariner DFI - Optimax - Quicksilver 33
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Spark mercruiser
Set of 8 spark plugs for mercruiser 305 350 454 5.0l 5.7l 7.4l .
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