Brisk Silver DR12YS Spark Plug (1 step colder for modified boost) (Each) - VW Mk4 1.8T/ Audi 1.8TSKU:
Brisk Silver Racing Spark Plugs (1 step colder for modified boost). These plugs work well with Stage 2 engine tunes and K04 turbo upgrades. Sold each.
Audi A4 1.8T 1997-2005
VW Golf/GTI/Jetta 1.8T 1999-2005
VW Passat/Beetle 1.8T 1999-2005
Ngks are alright if tou want the best spend a couple bucks you wont regret it. Better idle, more torque off idle, and better control of the throttle. Couple of more horses? Maybe cant say for sure dont have a dyno..Highly reccomend brisk silver plugs