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NGK Ruthenium HX Spark Plugs – 4-piece set with factory heat range, engineered one step colder for enhanced performance and reliability in 2014–2019 Ford Fiesta ST models.

Original price was: $39.99.Current price is: $26.66.

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Description

(set of 4) 1-step colder plugs for your Fiesta ST

factory gapped to .030

RUTHENIUM HX™

High-Ignitability Spark Plugs

Ruthenium HX™ brings the most advanced spark plug technology to the automotive aftermarket, delivering better efficiency and power for today’s engines.

THE NGK DIFFERENCE

  • DFE & PSPE® tip designs
  • Superior oxidation resistance
  • Advanced high-ignitability technology
  • Enhanced blistering/anti-peeling

THE LATEST INNOVATION IN PRECIOUS METAL SPARK PLUGS.

Modern engines demand more power while using less fuel, shortening the life of traditional iridium and platinum spark plugs. NGK’s patented ruthenium technology stands up better to wear to bring maximum durability and performance to your engine.

*custom gapped spark plugs sets ship in 1-3 business days

Explore more from our collection.

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Options

factory gap .030, custom gap .028, custom gap .026, custom gap .025, custom gap .024, custom gap .022

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