lfr7aix

  1. Cyclone1

    55k LFR7AIX NGK Spark Plugs

    Pack of 4 NGK LFR7AIX Spark plugs for sale Suit 55k engined cars and are the 1 grade cooler alternative to the OEM NGK ILFR6A plugs. £20 + £3.95 pp
  2. 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.
  3. Cyclone1

    NGK LFR7AIX Spark Plugs 55k

    I have 4 NGK LFR 7AIX Spark Plugs for sale. They are recommended for tuned / mapped 55k engined cars. £30 inc postage. I paid £40 and still have receipt Jules
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