• The Forums are now open to new registrations, adverts are also being de-tuned.

lfr6a

  1. E

    Spark Plugs upgrade LFR6A or LFR7AIX

    Hi Folks, A newbie to the forum, I am looking for cooler spark plugs and have been advised to go for the LFR7AIX NGK plugs for my cls 55 amg - is this correct and the right fitment? I know the normal ones are LFR6A - car will be running around the 620 bhp + range.
Back
Top Bottom