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View Full Version : Best spark plugs for SR20DET red top?

JDM S13
05-04-2002, 12:16 PM
What number/brand is the best for red top SR?
thanks!
rotaryknight
05-04-2002, 01:04 PM
HKS Iridium or Denso Iridium
JDM S13
05-04-2002, 05:05 PM
part number?

thanks
nrcooled
05-04-2002, 05:46 PM
Don't even bother w/ NGK they don't have the right plugs for the redtop <img src="http://www.zilvia.net/f/iB_html/non-cgi/emoticons/crazy.gif" border="0" valign="absmiddle" alt=':crazy:'>
rotaryknight
05-04-2002, 07:40 PM
The HKS Part # is 5408-S35i that is for a 7 heat range plug wich is colder but perfect for the SR. &nbsp;HKSUSA does stock them so contact your local dealer to order them.