I have been searching plugs on forum and find NGK copper.
What is NGK copper? Is it the standard plug or V Power?
I am going to be putting 140 mi/day on the Supra, should I run copper or platinum plugs.
What is NGK copper? Is it the standard plug or V Power?
I am going to be putting 140 mi/day on the Supra, should I run copper or platinum plugs.