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.