Autolite 103 Spark Plugs 4 Pack - Ford Focus Duratec 2.0L & 2.3L - One Step ColderSKU: AUTOLITE103-SET
Autolite 103 Copper Spark Plugs - 1 step colder 4 pack - Ford Focus 2.0L & 2.3L Duratec
Used with FSWERKS Duratec Stage 2 Turbo Kits. Highly recommended when adding 50+ horsepower to your Ford Focus. Works with head package/cams or forced induction vehicles only.
We recommend replacing these plugs every 12,000 ~ 15,000 miles. Gap to .035" for use with FSWERKS Duratec Turbo Kits.
They seem to do the job just like my brisk racing plugs
Great plugs at a great price.