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Your cart is empty.NGK Standard Spark Plugs are treated with corrosion resistant plating to ensure ease of installation and removal. The 98% pure copper core delivers increased heat dissipation for more reliable starts and reduced risk of overheating. Cold-rolled threads prevent cross-threading and damage to cylinder heads. Trivalent plating eliminates need for anti-seize. Corrugated ribs prevent flashover. High-grade alumina silicate ceramic.
Jacin simmons
2025-09-03 10:44:22
I ordered two of these for our boat that was misfiring some. They fit our 40hp evenrude perfectly and it runs great again
Matthew
2025-08-30 14:10:18
good spark plugs just kinda expensive
Jonathan
2025-08-15 15:37:16
I put these in to replace old ones in a 1994 Mercury150hp Black Max outboard.Wow! didn't realize the new plugs would make such a difference in power. :)
james maberry
2025-08-08 13:24:04
Good plugs for a 1995 200 HP Mariner Magnum EFI but I ended up not using them after learning that I needed to run the resistor version with the Brucato ACU on my outboard.
lorenxo burton
2025-07-09 14:39:21
Good quality good value
Jeffrey M.
2025-06-26 11:14:24
I ordered these spark plugs. However, there were 6 boxes and 5 spark plugs which caused me to have to go out and purchase another one which sucks.
Knappman
2025-06-15 12:34:16
I was searching for NGK spark plugs for my vintage 1978 Mercury 7..5 HP outboard motor. The BUHW-2 plugs called for, are not available, so I opted for these plugs which seemed to be very similar in length, etc. They work great.
Jacob Lewis
2025-06-01 15:38:59
NKG perfect replacement
José Alfredo estrada
2025-05-29 13:28:51
Muy bueno
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2025-04-10 15:09:29
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VM
2025-03-10 13:57:24
I installed on my Force 2T 120hp that's running like new again, i love it.
Jessica p
2025-02-15 17:04:38
Worked really well, unfortunately I can say the same for my boat motor. Swapped out boat motor and going with these again.
Mary Lloyd
2025-01-27 17:50:34
NGK quality as expected. Perfect fit for mercury outboards
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