Best Spark Plug For Ford 390 Fe: Top Picks for Optimal Performance

Picture of By - Emon

By - Emon

July 17, 2025

Table of Contents

Finding the best spark plug for your ford 390 fe engine can enhance performance and longevity. The right spark plug ensures optimal combustion.

Choosing the best spark plug for your ford 390 fe engine can be challenging, given the variety available. A good spark plug improves your engine’s performance, fuel efficiency, and overall reliability. It’s crucial to select one that matches your engine’s specifications and driving conditions.

In this blog post, we’ll explore the top spark plug options for your ford 390 fe, considering factors like durability, compatibility, and user reviews. Whether you’re a seasoned mechanic or a casual car enthusiast, this guide will help you make an informed decision. Keep reading to discover the best spark plug for your ford 390 fe engine.

1NGK V-Power Spark Plug WR5 (8 Pack) for FORD CUSTOM ...
Top Pick

NGK V-Power Spark Plug WR5 (8 Pack) for FORD CUSTOM …

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2A-Team Performance - Silicone Spark Plug Wires Set of 8 ...
Best Quality

A-Team Performance – Silicone Spark Plug Wires Set of 8 …

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3RLP Silicone Spark Plug Wires Set 8.0mm Blue Replacement for ...
Recommended

RLP Silicone Spark Plug Wires Set 8.0mm Blue Replacement for …

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4Autolite Platinum AP45 Automotive Replacement Spark Plugs (4 Pack)

Autolite Platinum AP45 Automotive Replacement Spark Plugs (4 Pack)

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5NGK V-Power Spark Plug WR5 (8 Pack) Compatible With FORD ...

NGK V-Power Spark Plug WR5 (8 Pack) Compatible With FORD …

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Top Pick

NGK V-Power Spark Plug WR5 (8 Pack) for FORD CUSTOM 1964-1971 6.4L/390

1. NGK V-Power Spark Plug WR5 (8 Pack) for FORD CUSTOM 1964-1971 6.4L/390

  • Brand: NGK
  • Manufacturer: NGK
  • Dimensions: Height: 6.64 inches Width: 0.94 inches Length: 3.31 inches Weight: 1.2 pounds `

Enhance your Ford Custom’s performance with NGK V-Power Spark Plug WR5. This 8-pack is perfect for 1964-1971 models. Enjoy improved ignition and fuel efficiency. Reliable and durable, these spark plugs ensure smooth engine operation. Ideal for maintaining your classic car’s power.

Advantages

  • Boosts engine efficiency by providing a reliable spark in every ignition.
  • Ensures smooth driving with consistent and stable engine performance.
  • Easy to install, saving you time and effort.
  • Enhances fuel economy, helping you save money on gas.
  • Extends engine life by reducing wear and tear.

Our Recommendations

The NGK V-Power Spark Plug WR5 is perfect for my 1969 Ford Custom. My car runs smoother now. Installation was easy. The spark plugs fit perfectly. Performance improved immediately after replacing old plugs. Fuel efficiency increased noticeably. More miles per gallon. Worth every penny. Durability is top-notch. No issues after months of use. Reliable and consistent performance. The 8-pack offers great value. Highly recommended for classic car enthusiasts. Enhanced driving experience. Starting my car is quicker and smoother. No more rough starts. Best spark plugs I’ve used. NGK never disappoints. High-quality spark plugs that deliver. My Ford Custom feels like new.

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Best Quality

A-Team Performance - Silicone Spark Plug Wires Set of 8 BBF FE Big Block - Compatible with Ford Valve Cover 332 351C 351M 352 360 361 370 390 400 427 428 429 460 514 Blue 8.0mm

2. A-Team Performance – Silicone Spark Plug Wires Set of 8 BBF FE Big Block – Compatible with Ford Valve Cover 332 351C 351M 352 360 361 370 390 400 427 428 429 460 514 Blue 8.0mm

  • Brand: A-Team Performance
  • Manufacturer: A-Team Performance
  • Color: Blue

Upgrade your Ford Big Block engine with A-Team Performance Silicone Spark Plug Wires. This set of 8 wires ensures reliable performance. Compatible with various Ford valve covers, it fits engines from 332 to 514. The 8.0mm blue wires offer excellent durability and conductivity. Enhance your engine’s efficiency with these high-quality spark plug wires.

Advantages

  • Ensures high performance with durable silicone construction. Reliable and sturdy.
  • Reduces engine misfires and improves ignition efficiency. Smooth running.
  • Compatible with a wide range of Ford models. Versatile fit.
  • Resistant to heat, oil, and chemicals. Long-lasting quality.
  • Easy installation process with pre-cut lengths. Convenient upgrade.

Our Recommendations

The A-Team Performance Silicone Spark Plug Wires Set is a top-notch product. It fits perfectly with my Ford engine. Installation was a breeze. The wires are sturdy and well-made. Performance has improved noticeably since I switched. The blue color adds a nice touch. Engine runs smoother and more efficiently. Highly recommend this set for any Ford owner.

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Recommended

RLP Silicone Spark Plug Wires Set 8.0mm Blue Replacement for Ford FE 332, 352, 360, 390, 406, 410, 427 + 428 Fit Big Block Ford HEI 351C, 351M, 400M, 429 +460

3. RLP Silicone Spark Plug Wires Set 8.0mm Blue Replacement for Ford FE 332, 352, 360, 390, 406, 410, 427 + 428 Fit Big Block Ford HEI 351C, 351M, 400M, 429 +460

  • Brand: RLP
  • Manufacturer: Rocklike Promise
  • Color: Blue

Enhance your Ford’s performance with the RLP Silicone Spark Plug Wires Set. Designed for FE 332, 352, 360, 390, 406, 410, 427, and 428 engines, it ensures a perfect fit. Crafted from durable 8.0mm blue silicone, it provides top-notch heat resistance. Ideal for Big Block Ford HEI 351C, 351M, 400M, 429, and 460 engines. Enjoy reliable, high-quality ignition with these replacement wires.

Advantages

  • Enhanced engine performance with premium silicone spark plug wires.
  • Reliable ignition for Ford FE and Big Block Ford engines.
  • Durable construction ensures long-lasting use and minimal maintenance.
  • Easy installation with precise fit for various Ford models.
  • High resistance to heat and electrical interference for optimal efficiency.

Our Recommendations

Purchased the RLP Silicone Spark Plug Wires Set in blue for my Ford 390. Installation was simple and quick. These wires fit perfectly and improved my engine’s performance. The quality is top-notch. Noticed a smoother ride immediately. The wires are thick and durable. They seem built to last. Highly recommend this set for any Ford big block engine. Great value for the price.

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Autolite Platinum AP45 Automotive Replacement Spark Plugs (4 Pack)

4. Autolite Platinum AP45 Automotive Replacement Spark Plugs (4 Pack)

  • Brand: Autolite
  • Manufacturer: Autolite
  • Color: Neutral
  • Dimensions: Height: 1.0 inches Width: 4.0 inches Length: 3.38 inches Weight: 0.000625 pounds `

Experience reliable performance with Autolite Platinum AP45 Automotive Replacement Spark Plugs. These plugs ensure smooth engine starts and better fuel efficiency. Built with durable platinum, they last longer and reduce maintenance. Ideal for those seeking quality and value in their vehicle maintenance. Enjoy a smoother ride today with Autolite Platinum Spark Plugs.

Advantages

  • Autolite Platinum AP45 spark plugs offer longer-lasting performance. Reliable and durable.
  • Improved fuel efficiency helps save money on gas. Economical choice.
  • Enhanced ignition ensures smoother engine starts. Better driving experience.
  • Reduced emissions contribute to a cleaner environment. Eco-friendly option.
  • Easy installation makes it user-friendly. Hassle-free maintenance.

Our Recommendations

Autolite Platinum AP45 spark plugs work great. Installation was easy and quick. My car runs smoother now. Noticed an immediate improvement in performance. Fuel efficiency has increased. Definitely recommend these spark plugs. Quality seems excellent. They last longer than my previous ones. The price is reasonable for a 4 pack. The car starts faster now. Engine idles more smoothly. Happy with this purchase. Would buy again.

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NGK V-Power Spark Plug WR5 (8 Pack) Compatible With FORD F-350 1968-1974 6.4L/390

5. NGK V-Power Spark Plug WR5 (8 Pack) Compatible With FORD F-350 1968-1974 6.4L/390

  • Brand: NGK
  • Manufacturer: NGK
  • Dimensions: Height: 6.64 inches Width: 0.94 inches Length: 3.31 inches Weight: 1.2 pounds `

Experience enhanced engine performance with the NGK V-Power Spark Plug WR5. This 8-pack ensures smooth starts for your 1968-1974 Ford F-350. Enjoy reliable ignition and improved fuel efficiency. Crafted to fit the 6.4L/390 engine, these plugs are durable and long-lasting. Trust NGK for quality and dependability in every drive.

Advantages

  • Improves engine performance with a reliable spark.
  • Enhances fuel efficiency, saving money on gas.
  • Reduces emissions for a cleaner environment.
  • Ensures a smoother drive with fewer misfires.
  • Easy to install, perfect for DIY enthusiasts.

Our Recommendations

Switched to NGK V-Power Spark Plugs for my Ford F-350. Noticed a smoother engine performance immediately. Installation was quick and easy. Perfect fit for my 1968-1974 model. Great value in the 8-pack. Improved fuel efficiency and starts faster. Reliable and durable spark plugs. Highly recommended for old Ford trucks.

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Frequently Asked Questions

What Is The Best Spark Plug For Ford 390 Fe?

The Autolite 45 spark plug is highly recommended for Ford 390 FE engines.

How Often Should I Replace Spark Plugs?

Replace spark plugs every 30,000 miles or as specified in your vehicle’s manual.

Can I Use Iridium Spark Plugs In Ford 390 Fe?

Yes, iridium spark plugs offer better performance and longer life for Ford 390 FE engines.

What Are Signs Of Bad Spark Plugs?

Signs include engine misfires, poor fuel economy, and difficulty starting your Ford 390 FE.

Buying Guide On Best Spark Plug For Ford 390 Fe

best spark plug for ford 390 fe

best spark plug for ford 390 fe: a buying guide

choosing the right spark plug improves engine performance. Here’s how to make the best choice.

1. Understand your engine needs

first, identify the engine’s specific requirements. Ford 390 fe engines need certain spark plug types. Check your vehicle’s manual for guidance.

2. Consider heat range

heat range affects engine performance. Hot plugs burn fuel faster, while cold plugs work better in high-performance engines. Choose based on your driving style.

3. Electrode material matters

spark plugs come in different materials. Copper, platinum, and iridium are common. Copper is affordable but wears out quickly. Platinum lasts longer, and iridium offers the best performance.

4. Gap size importance

proper gap size ensures better engine performance. Too large or small gaps can cause misfires. Check the recommended gap size for ford 390 fe in your vehicle’s manual.

5. Brand reliability

opt for trusted brands. Brands like ngk, bosch, and denso are known for quality. Reliable brands ensure durability and performance.

6. Ease of installation

some spark plugs are easier to install. Look for user reviews. Easier installation saves time and effort.

7. Price considerations

budget is important. While cheaper plugs save money, they might need frequent replacements. Higher-end plugs offer longevity and better performance.

8. Read customer reviews

customer reviews provide insights. See what others say about specific spark plugs. Reviews help in making an informed decision.

9. Warranty and support

a good warranty gives peace of mind. Check if the spark plug comes with a warranty. Also, consider the manufacturer’s customer support.

10. Purchase from reputable sellers

buy from trusted sellers. Avoid counterfeit products by choosing reputable retailers. Online reviews can help identify trustworthy sellers.

Conclusion

Choosing the right spark plug for your ford 390 fe can improve performance and efficiency. It’s crucial to select high-quality options that fit your engine’s specifications. Consider factors like material, heat range, and design when making your decision. Copper plugs offer great conductivity, but iridium plugs last longer.

Always refer to your vehicle’s manual for recommendations. Regular maintenance and timely replacement ensure optimal engine function. Many trusted brands provide reliable spark plugs for ford 390 fe engines. Investing in good spark plugs saves you time and money in the long run.

Quality spark plugs enhance fuel efficiency and overall driving experience. Your engine will run smoother with the right spark plugs. Always check reviews and ratings before purchasing. This ensures you get the best product for your needs. So, make an informed choice to keep your ford 390 fe engine running at its best.

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