vs
Spark plug BRISK or OEM Subaru
Reviews
I ran the Brisk plugs for 6200 miles .. a bit over the 5K recommended interval. Installed Denso 5749 plugs this weekend and maybe I'm imagining things, but it seems a bit less temperamental at highway speed passing pulls. With the Brisk's installed lately I was getting some hesitation with WOT. No more.
Pros: less temperamental, no hesitation
Cons: hesitation with WOT
Mileage: 10000 km
Part number: 5749
Changing my sparkplugs for the first time (32k miles, yes it's early but I got a great deal on the plugs) and found that the stock plug in cylinder 4 actually had a ground electrode defect and was significantly thicker than normal. The car runs stronger than it ever has as this was likely causing extra timing pull.
Pros: car runs stronger
Cons: ground electrode defect
Vehicle:
Subaru
Mileage: 51500 km
I went with [Brisk ER12s](https://www.fcpeuro.com/products/vw-spark-plug-brisk-racing-er12s) plugs. They are one of the plugs recommended by EQT and I have been happy with them so far. Cheaper than the NGK/Denso plugs but downside is that they are silver based, so they will wear out faster. I am at 10k miles on them now and starting to feel a little rough idle; time to re-gap or replace them.
Pros: happy with them so far
Cons: rough idle, wear out faster
Vehicle:
Volkswagen
Mileage: 10000 km
Part number: ER12S
im at 95k with the original plugs. no issues
Pros: no issues, lasted 95k miles
Mileage: 152887 km
I waited till like 100k to do my spark plugs on my 2013 Crosstrek, they were still good just not as efficient
Pros: lasted 100k miles, still good
Cons: less efficient at high mileage
Vehicle:
Subaru
Mileage: 160934 km
Just traded in my 2015 Forester with 219,000 miles and the original spark plugs.
Pros: lasted 219,000 miles
Vehicle:
Subaru Forester
Mileage: 352445 km
I’ve been running Brisks for 30k now and haven’t had any issues
Pros: no issues
Mileage: 30000 km
Gonna do brisk silver with 4C coils unless someone has any advice on Brisk Silvers being bad. Was gonna try them out over the NGK Laser Iridium
Cons: brisk silvers being bad
I have used Rs7 plugs (meh), the APR recommended NGK plugs (rough idle, gapped correctly), and the Brisk ER12S. I'm on my second set of the Brisk, and plan to keep using them.
Pros: cheap enough
Cons: change them at 10k
Vehicle:
Volkswagen Golf
Mileage: 10000 km
I wouldn't do the Brisk plugs if you're not tracking it hard. They susceptible to fouling up unless you drive it like you stole it every time.
Cons: susceptible to fouling up
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