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NGK Iridium Spark Plugs One Step Colder 2667
MODEL # NGK BKR7EIX-GRP
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3 of 3 people found the following review helpfulAyy bro you need these in your life. 1 year ago
These spark plugs paired with the sweet performance of my stage 2 cobb tuned def smoothed the idle and performance of my rally machine. Now I don't have to keep watching for knocking on my AP tuner so I can vape mad clouds in peace.
Spark Plug Upgrade 3 years ago
So far so good. Swapped out the stock sparkies for one step colder plugs.Was this review helpful?
So far so good. Swapped out the stock sparkies for one step colder plugs.
2 of 2 people found the following review helpfulWorth it! 4 years ago
I started using these plugs on the orders of my mechanic haha. My car idles better and runs smoother since installing these and I currently run a VF39 w/pink injectors and 255 fuel pump on an 04 WRX.