I used NGK, 6 month no issues.
Pros: no issues
Reviews of NGK parts For Business
Average Rating
?
The manufacturer's average rating is calculated based on ratings of all its spare parts. It determines the place in the manufacturer ranking
3.8
Manufacturer Ranking
#103
790
Spare Parts
2
Country
Japan
Website
ngk.de
Spare Parts
Comparisons
Get NGK plugs instead...mine have been working great.
Pros: working great
I'm currently is20 United 91 octane tune, APR packs and NGK RS7 plugs (one step colder thant oem), gapped at around 0,028'' and car feels solid. No misfire, no EPC. However it honestly feels just like when I was with oem coilpacks and plugs. Maybe now idle feels a little bit smoother.
Pros: solid performance, smoother idle
Cons: similar to OEM
Vehicle:
Volkswagen Golf
Part number: RS7
I’m now running factory heat range NGK 94833 plugs gapped at 0.03 and the car runs so much cleaner.
Pros: runs much cleaner
Vehicle:
Volkswagen Golf
Part number: 94833
I don't understand why you didn't just get the NGK iridium plugs.
Vehicle:
Subaru
I've ventured from NGKs and always go running back.
Pros: reliable performance
I did reduce the gap of the PFR7Bs to 0.025" when I was running DriverMotorsports K04+ tune and it boosted more than 26 psi. I did so due to upper rev stumbling, but for being back to running my GIAC HO K04 tune...0.028" works. PFR7B usually work great with higher boost from turbos and tunes when you do notice the stumbling for having arc disturbance.
Pros: work great with high boost
Cons: stumbling with wrong gap
Vehicle:
Volkswagen
Part number: PFR7B
It appears you already have a good set of coils, start with plugs, buy good ngk plugs. These engines eat plugs especially once you start throwing boost at them, I’m running one heat range colder than factory in mine right now after smoking a factory spec set but I’m pushing 20psi so your results may vary.
Pros: good plugs, engine boost
Cons: engines eat plugs
New NGK plugs were a definite improvement. MSD coils were not!
Pros: definite improvement
Cons: MSD coils were not
Vehicle:
Volkswagen
Most imports (To the US) don't like anything but NGK/Denso.
Cons: imports don't like
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