Originally Posted by
JEFASOLD
I don't have access to the numbers without a search but NW sells them, NGK iridium tips, you can probably get the # from Robs site. I don't know if your local auto parts would have them or not but anyone who carries NGK should. Many have gone to aftermarket wires but I think stock is fine, they are a good quality wire. Where are you getting your ECU tune from?
Which plugs do you recommend NGK Laser Iridium Spark or NGK Iridium IX Spark Plug