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Stock is generally fine, however if your tracking or going through multiple heat cycles on your drives id recommend er12s from brisk. I run them and they havent skipped at beat. Intervals are shorter for changes.
I use brisk standard temperature. Work great
I switched to brisk just because of the high amount of ngk knock offs and they are supposed to last a bit longer and or have less wear than the ngk I'm a step colder rr4ys they have been great.
I changed my coils and spark plugs and it fixed this same issue
I had this 8 months ago in my FG
New spark plugs and coil packs fixed it.
I recently took my stage 2 43K mile b8.5 s4 apart and did the PCV, water pump, thermostat, new 2 step colder brisk spark plugs gapped to .25. I took the spark plugs out and noticed heavy carbon and the ground electrode was white, even on all plugs . (20 miles on plugs)
I just run oem plugs gapped to . 024 as recommended by eqt who I'm tuned by. No knock, I had brisks and Ruths before, my car didn't really like brisks and Ruths just made it misfire closer to the 5k change out.
Right before i changed the map I also swapped spark plugs (brisk er12s). Since it started the rough vibrating, I’ve inspected spark plugs and coil packs, changed the coil pack grounding to a ground kit, cleaned the MAP sensor, and even tried throwing some liquimoly valve clean in it.
These things literally blast out spark plugs ????. Lots of other tricky issues too. I'm know I'm very biased towards GM but I wouldn't mess with this generation at all for a Ford lol.
ford. had the explorer with the long spark plugs that break. did them once and that truck wasnt around much longer. focus. dual clutch transmission failure.
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In March 2026 on PartReview, spark plug BRISK were overall better than OEM FORD.
In March 2026 on PartReview, spark plug BRISK were overall more popular than OEM FORD.
By vote balance, spark plug BRISK surpassed OEM FORD:
By number of reviews, spark plug BRISK surpassed OEM FORD:
In March 2026, according to PartReview, spark plug OEM FORD and BRISK have not taken top places in car-specific ratings. You can help by adding your review about these manufacturers.
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Also available: comparisons of spark plug BRISK with: NGK, Bosch, Denso, Autolite, Champion, AC DELCO, OEM Volkswagen, OEM Toyota, Motorcraft, OEM BMW.
You can also see who is better among other spark plug manufacturers: Bosch or NGK, NGK or Denso, NGK or Autolite, NGK or Champion, NGK or AC DELCO.