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Important note:
1.If you decide to go for iridium plugs, do not touch or try to adjust them.
The spark plug has pre set gaps and can be installed directly
2.There’s trivalent plating on the spark plug threads,Don’t put anti-seize on them.This will affect the torque values and you might mess things up.
Dan R.
2025-08-16 17:58:53
Fit on 2010 g37 s sedan 6mt perfect. Engine lag is gone in 1st. But when pulling out the old spark plugs (the plugs weren’t too old) I saw oil heavy on plugs on the driver side. Back story , year before I changed valve cover gasket and I saw the spark plug gasket displace as I was putting the valve cover back on. So point of this story , if you’re fouling your plugs with bad plug gaskets and oil getting in new plugs and coils will help but only in short term till they get fouled.Also, these plugs were not quite gapped according to 0.43. 0.44 mm specs for g37. I had to spread all 6 of them all out one by one , gapped them in a pile then put them in the car.Thumbs way up! When dealing with an older car, my thinking was let’s get all new stuff, plugs and coils, but not break the bank in case the fix was a bust. The fix …. So far so great. No more cel no more lag. Hoping oil burn is gone …Long story hope it helps
Rasheed B.
2025-06-29 12:56:09
Works well on my 2011 m37x Great price
Ivan Chestnut
2025-06-10 10:56:06
Product was perfect good quality
Kierstin Roberts
2025-04-10 14:05:51
The product does not fit or work with a 2010 Infiniti G37 as stated in the description. Very disappointed that I spent money on something that I spent money on something that isn't compatible with my car. The misleading information is unacceptable. I expected better accuracy as listed.
Deb
2025-04-02 17:49:14
Perfect fit easy to install.
Dylan
2025-03-16 16:37:19
Easy to install and cleared up my misfire on my g37 it was shuddering during acceleration with no codes though it was a misfire but didn't get a code , looked on forums and they confirmed it was a misfire but not enough to throw a code because it was on acceleration only so I cha get them and car is back to smooth driving .
Customer
2025-02-24 18:16:31
The item was fine.The slow shipping has made me vow to never buy from said company again.
Jay
2025-02-10 18:57:52
Fast shipping quality products
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