NGK PFR7G-11S Honda part# 98079-571BH. I would stick with the stock plugs, Denso makes one also, I think PK22. It is worth noting that "S" in the part number denotes a steel crush washer. Did the OEM spark plug have a steel crush washer before the spark plug TSB?

 

only for german car i guess, Honda never seems to like Bosch's electronic period.

 

Club Plug

 

[QUOTE=xviper,Apr 20 2006, 02:27 PM] You're putting plugs into a motor that is the highest NA output per displacement of any modern day production car.

 

I went to club plug but what model number ngk do I get?

 

Does This Look ok or no?

 

from what I have heard the brownish part on the plug is normal

heres mine for example

 

yea if somone could give me the part number for the denso's also. x-viper said the number was PK22PR-L11S but i couldnt find those on the site. any one have a link to the right plugs.??

 

NGK = PFR7G-11S
Denso = PK22PR-L11S

I can't send you a direct link from the clubplug site. Just select "NGK Laser Platinum" from the spark plug pulldown menu and search for PFR7G-11S

 

The picture is too dark to really tell, but it looks like that plug shows a very rich condition. The tip is very black and carboned up. Time to get new plugs and make sure they're gapped corrected. And no, don't rely upon them being the correct gap when they come out of the box. ALWAYS check.

As for ordering, you can try Sparkplugs.com. I've had great success with them:

http://www.sparkplugs.com/results_app.asp?...=1&AAIA=1430228

For non-F.I. engines, you can also use the Denso Iridium plug IK-24. Many have indicated good service from these. Just don't use them in a blown car.