They aren't junk, but for the price you'd be better of with 5 sets of regular NGK's. They will last longer than regular plugs and platinum plugs, but you really won't see any performance benefits.
They aren't junk, but for the price you'd be better of with 5 sets of regular NGK's. They will last longer than regular plugs and platinum plugs, but you really won't see any performance benefits.
That's what I said... isn't it?
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'16 Focus ST - Daily Duty
'93 mr2 - Track car in progress