What Is The Best Spark Plugs for Ford Focus ST [In 2025]

Last Updated on April 28, 2025 by Jaxon Mike

Choosing the right spark plugs for your Ford Focus ST is crucial for performance and efficiency. High-quality spark plugs ensure smooth engine operation and fuel economy.

Ford Focus ST owners often seek reliable spark plugs to maintain their car’s performance. NGK’s Iridium IX series offers excellent durability and performance. These spark plugs are known for their longevity and efficient combustion. Another option is the UF670 Ignition Coil Pack and Iridium Spark Plugs Set.

This set fits various Ford models from 2012 to 2020. It ensures a strong ignition system and consistent performance. For older models like the 2005-2006 Ford Focus ZX4 ST, the NGK G-Power Platinum Spark Plug is a great choice. Each option provides unique benefits tailored to different needs and models.

Ngk 6510 Ltr7ix-11 Iridium Ix Spark Plug

NGK 6510 LTR7IX-11 Iridium IX Spark Plug (4 Pack)

The NGK 6510 LTR7IX-11 Iridium IX Spark Plug (4 Pack) is perfect for car enthusiasts and professional mechanics looking for high-performance spark plugs that offer superior ignitability and longevity. If you’re seeking to enhance your vehicle’s efficiency and performance, these spark plugs are an excellent choice. They are particularly suited for those who drive high-performance vehicles or are interested in tuning their engines for optimal operation.

Pros:

  • High ignitability for better fuel efficiency and performance.
  • Long lifespan due to the iridium tip, reducing the need for frequent replacements.
  • Improved throttle response, making it ideal for performance vehicles.
  • Resistant to fouling ensuring consistent performance over time.

Cons:

  • Higher initial cost compared to standard spark plugs.
  • Requires careful installation to avoid damage to the iridium tip.

The NGK 6510 LTR7IX-11 Iridium IX Spark Plug features an iridium alloy that is six times harder and eight times stronger than conventional platinum, providing an extremely high melting point. This makes it ideal for high-performance engines, as it can handle the intense heat and pressure without wearing down quickly. The iridium construction not only extends the lifespan of the spark plug but also ensures stable combustion, leading to improved engine performance and fuel economy.

Another standout feature is the tapered ground electrode, which reduces the quenching effect and ensures a larger flame kernel. This results in a more complete burn of the air/fuel mixture and enhances engine efficiency. For users, this means smoother acceleration, better throttle response, and a noticeable improvement in engine power. Furthermore, the trivalent metal plating provides superior anti-corrosion and anti-seizing properties, making these spark plugs a reliable choice for long-term use.

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Uf670 Ignition Coil Pack 31316353 And Iridium Spark Plugs Set Of 4

UF670 Ignition Coil Pack 31316353 and Iridium Spark Plugs Set Of 4 Fit For Ford Focus Fusion Explorer Edge Escape Mustang EcoSport Taurus 2012-2020&Land Rover 2012-2017&Lincoln 2013-2020 2.0L 2.3L L4

The UF670 Ignition Coil Pack 31316353 and Iridium Spark Plugs Set Of 4 is ideal for vehicle owners who prioritize performance and reliability in their Ford, Land Rover, or Lincoln models. If you are someone who frequently experiences engine misfires or seeks to improve your vehicle’s fuel efficiency and overall performance, this ignition coil and spark plug set could be the perfect solution for you.

Pros:

  • Enhances engine performance by ensuring a more efficient ignition process.
  • Compatible with a wide range of Ford, Land Rover, and Lincoln models.
  • Durable construction for long-lasting use and reliability.

Cons:

  • Installation may require professional assistance for those unfamiliar with vehicle maintenance.
  • Higher upfront cost compared to some standard ignition components.

The UF670 Ignition Coil Pack and Iridium Spark Plugs are designed to provide exceptional ignition performance. These components work together to deliver a powerful and consistent spark, which is crucial for maintaining optimal engine efficiency. Users will notice an improvement in their vehicle’s acceleration and overall responsiveness, making driving a more enjoyable experience. Moreover, the use of iridium spark plugs enhances longevity, reducing the need for frequent replacements.

Additionally, the OYEAUTO brand ensures that these parts are built to meet high-quality standards. This set is engineered to withstand extreme conditions, ensuring reliability and safety on the road. By investing in this ignition coil pack and spark plug set, users can expect improved fuel economy, translating to cost savings over time. It’s a practical upgrade for those seeking to maintain their vehicle’s performance while reducing maintenance costs.

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Ngk Iridium Ix Spark Plug Ltr6ix-11 (4 Pack)

NGK Iridium IX Spark Plug LTR6IX-11 (4 Pack) for FORD FOCUS ST 2013-2014 2.0L/122

The NGK Iridium IX Spark Plug LTR6IX-11 is an ideal choice for FORD FOCUS ST owners from 2013-2014 with a 2.0L/122 engine looking to enhance their vehicle’s performance. This product is specifically designed for car enthusiasts who are keen on improving their vehicle’s ignition efficiency and durability. If you’re someone who values high performance and longevity in automotive parts, these spark plugs are tailored for you.

Pros:

  • Enhanced ignition efficiency due to iridium construction.
  • Improved fuel economy with precise ignition.
  • Longer lifespan compared to standard spark plugs.
  • Reliable performance in high-temperature environments.

Cons:

  • Higher cost compared to conventional spark plugs.
  • Limited compatibility to specific vehicle models.

The NGK Iridium IX Spark Plug features iridium construction, which is known for its superior strength and excellent thermal conductivity. This ensures a more efficient spark, leading to better fuel combustion and reduced emissions. The result is not only improved performance but also increased fuel economy, which is a significant benefit for daily drivers who want to save on fuel costs.

Another standout feature is the long lifespan of these spark plugs. Unlike traditional copper plugs, the iridium version can last up to 25% longer, reducing the need for frequent replacements. This durability is particularly beneficial for those who drive in demanding conditions, as the spark plugs maintain their integrity and performance even under high temperatures, ensuring consistent vehicle reliability.

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Ngk G-power Platinum Spark Plug Tr6gp (4 Pack)

NGK G-Power Platinum Spark Plug TR6GP (4 Pack) for FORD FOCUS ZX4 ST 2005-2006 2.3L/140

The NGK G-Power Platinum Spark Plug TR6GP (4 Pack) is an excellent choice for owners of the FORD FOCUS ZX4 ST 2005-2006 2.3L/140 looking to enhance their vehicle’s performance. Ideal customers for this item are those who prioritize fuel efficiency, seek improved engine response, and value the longevity of their vehicle’s components. Whether you’re a daily commuter or a car enthusiast, these spark plugs offer a reliable upgrade for maintaining optimal engine function.

Pros:

  • Enhanced fuel efficiency
  • Improved engine performance
  • Long-lasting durability
  • Easy installation process

Cons:

  • Compatibility limited to specific vehicle models
  • Higher initial cost compared to standard plugs

The NGK G-Power Platinum Spark Plug is designed with a platinum tip, which ensures a more precise spark and extends the life of the plug. This feature is particularly beneficial for users who want to reduce maintenance frequency and enjoy a smoother driving experience. The platinum material offers superior conductivity, enhancing the efficiency of the ignition process and contributing to better fuel economy.

Additionally, these spark plugs are engineered to withstand high temperatures and pressure, making them suitable for high-performance driving conditions. Users will appreciate the consistent performance and reliability, even under demanding circumstances. The NGK brand is known for its quality and innovation, ensuring that these spark plugs deliver on their promise of improved engine responsiveness and longevity.

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Ignition Coil Pack Spark Plugs Combo

Ignition Coil Pack Spark Plugs Combo fit for 2.0 2.3 Ford Escape Focus Transit Connect 2004 2005 2006 2007 2008 2009 2010 2011, 04 05 Mazda 3 6 Tribute Mercury Mariner, FD505 DG504, 4pcs

The Ignition Coil Pack Spark Plugs Combo is an ideal purchase for vehicle owners looking to enhance the performance of their Ford Escape, Focus, Transit Connect, Mazda 3 or 6, Tribute, and Mercury Mariner models from 2004 to 2011. This product is perfect for those who experience misfires, rough idling, or a decrease in fuel efficiency and want to ensure a smooth and reliable driving experience.

Pros:

  • High-quality components ensure durability and longevity.
  • Improved engine performance and fuel efficiency.
  • Easy installation with a direct fit for specified models.
  • Cost-effective solution compared to purchasing individual parts.

Cons:

  • Compatibility limited to specific models and years.
  • Professional installation may be required for some users.
  • Not suitable for vehicles outside the listed specifications.

The Ignition Coil Pack Spark Plugs Combo by NPAUTO is designed to deliver consistent and reliable engine performance. Featuring robust construction, it withstands high temperatures and harsh conditions, contributing to the overall durability of your vehicle’s engine components. This combo ensures that your engine runs smoothly, reducing the likelihood of misfires and stalls, which can lead to costly repairs if left unaddressed.

One of the standout features of this product is its easy installation process, allowing you to replace old or faulty ignition coils and spark plugs with minimal hassle. By opting for this combo, users can enjoy an enhanced driving experience with improved fuel efficiency, making it a cost-effective choice in the long run. The precise fit ensures compatibility with a range of models, providing peace of mind to owners of Ford, Mazda, and Mercury vehicles.

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Frequently Asked Questions

What Are The Benefits Of Ngk Iridium Ix Spark Plugs?

NGK Iridium IX spark plugs provide enhanced throttle response and superior anti-fouling. They have a longer lifespan due to iridium’s durability. These plugs offer better fuel efficiency and reliable cold starts. Their design ensures optimal ignition performance, making them ideal for high-performance engines like the Ford Focus ST.

How Do Ignition Coil Packs Improve Performance?

Ignition coil packs deliver high voltage to the spark plugs. This ensures efficient combustion and improves engine performance. They help in achieving better fuel economy and reduce emissions. High-quality coil packs, like the UF670, can enhance acceleration and overall driving experience.

Are G-power Platinum Spark Plugs Worth It?

Yes, G-Power Platinum spark plugs offer great value. They provide improved fuel efficiency and reliable performance. The platinum material ensures longer life compared to standard plugs. They are an affordable option for drivers seeking better ignition without compromising on quality.

Can I Use These Spark Plugs For Other Models?

Some spark plugs are compatible with multiple models. For example, certain plugs fit Ford Focus, Fusion, and more. Always check the manufacturer’s compatibility list. Using the right spark plug ensures optimal performance and prevents engine issues.

How Often Should I Replace My Spark Plugs?

Typically, spark plugs should be replaced every 30,000 to 60,000 miles. This varies based on the type of spark plug and vehicle. Regularly inspecting spark plugs can prevent engine misfires and maintain efficiency. Check your vehicle’s manual for specific recommendations.

Conclusion

Choosing the right spark plug for your ford focus st can enhance performance and efficiency. Ngk 6510 ltr7ix-11 iridium ix spark plug offers durability with its iridium construction. The uf670 ignition coil pack and iridium spark plugs set provide reliable ignition for various ford models.

Ngk iridium ix spark plug ltr6ix-11 is crafted for ford focus st 2013-2014 models, ensuring smooth operation. The ngk g-power platinum spark plug tr6gp is an excellent choice for older models like the ford focus zx4 st 2005-2006. Ignition coil pack spark plugs combo fits multiple ford and mazda models, offering versatility and dependability.

Each option caters to specific needs and budgets, ensuring your car runs smoothly. Investing in quality spark plugs improves engine performance and longevity. Make an informed decision based on your vehicle’s requirements. With the right spark plug, your driving experience can be more enjoyable and efficient.

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