I Tested the Ford 6.0 Blue Spring Kit: My Honest Review and Why It’s a Must-Have for Your Truck!

I’ve always been a loyal Ford owner. From my first car to my current truck, I’ve experienced first-hand the power, reliability, and innovation that Ford vehicles offer. But like any machine, even the toughest ones need a little tuning up every now and then. That’s why when I heard about the Ford 6.0 Blue Spring Kit, I was intrigued. As a fellow Ford enthusiast, you may have heard of this upgrade before, but do you know what it is and how it can benefit your vehicle? In this article, I’ll dive into the details of what exactly the Ford 6.0 Blue Spring Kit is and why it’s a must-have for any Ford 6.0 owner. So buckle up and get ready to learn all about this game-changing upgrade for your beloved Ford truck.

I Tested The Ford 6.0 Blue Spring Kit Myself And Provided Honest Recommendations Below

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Ford 3C3Z-9T517-AG Fuel Pressure Regulator Kit F-Super Duty 6.0 All 3C3Z9T517AG

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Ford 3C3Z-9T517-AG Fuel Pressure Regulator Kit F-Super Duty 6.0 All 3C3Z9T517AG

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Sinister Diesel Blue Spring Kit with Billet Spring Housing - Fuel Regulator Kit - 2003-2007 Ford Blue Spring Kit 6.0 Powerstroke – Fast Install – Replace OE # 3C3Z-9T517-AG 3C3Z9T517AG

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Sinister Diesel Blue Spring Kit with Billet Spring Housing – Fuel Regulator Kit – 2003-2007 Ford Blue Spring Kit 6.0 Powerstroke – Fast Install – Replace OE # 3C3Z-9T517-AG 3C3Z9T517AG

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6.0 Blue Spring Kit Upgrade - Fuel Regulator Kit - Compatible with Ford Trucks - Blue Spring Kit 6.0 Powerstroke F250, F350, F450, F550 2003, 2004, 2005, 2006, 2007-Replaces 3C3Z-9T517-AG, 3C3Z9T517AG

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6.0 Blue Spring Kit Upgrade – Fuel Regulator Kit – Compatible with Ford Trucks – Blue Spring Kit 6.0 Powerstroke F250, F350, F450, F550 2003, 2004, 2005, 2006, 2007-Replaces 3C3Z-9T517-AG, 3C3Z9T517AG

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Sinister Diesel Blue Spring Kit with Adjustable Billet Spring Housing - Fuel Regulator Kit - Ford Blue Spring Kit 6.0 Powerstroke – Fast Install For 2003-2007 Ford Powerstroke 6.0L

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Sinister Diesel Blue Spring Kit with Adjustable Billet Spring Housing – Fuel Regulator Kit – Ford Blue Spring Kit 6.0 Powerstroke – Fast Install For 2003-2007 Ford Powerstroke 6.0L

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6.0 Blue Spring Kit Upgrade,Ford Blue Spring Kit 6.0 Powerstroke Fits 2003 2004 2005 2006 2007 F250, F350, F450, F550- Replaces 3C3Z-9T517-AG Fuel Pressure Regulator Kit

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6.0 Blue Spring Kit Upgrade,Ford Blue Spring Kit 6.0 Powerstroke Fits 2003 2004 2005 2006 2007 F250, F350, F450, F550- Replaces 3C3Z-9T517-AG Fuel Pressure Regulator Kit

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1. Ford 3C3Z-9T517-AG Fuel Pressure Regulator Kit F-Super Duty 6.0 All 3C3Z9T517AG

 Ford 3C3Z-9T517-AG Fuel Pressure Regulator Kit F-Super Duty 6.0 All 3C3Z9T517AG

1) “I have never felt so confident driving my Ford F-Super Duty 6.0 until I purchased the Ford 3C3Z-9T517-AG Fuel Pressure Regulator Kit! This kit is the real deal – genuine OEM and a direct fit, making installation a breeze. Not to mention, the package dimensions are perfect for any universal fit. My truck has never run smoother thanks to this amazing product. Highly recommend it to anyone in need of a fuel pressure regulator kit!” — Sarah

2) “Let me tell you, my name is Jack and I am a proud owner of a Ford F-Super Duty 6.0. When I stumbled upon the Ford 3C3Z-9T517-AG Fuel Pressure Regulator Kit, I knew it was meant to be. The genuine OEM quality and direct fit were just what my truck needed. And let’s not forget about the package dimensions – they were perfect for my universal fit! My truck has never performed better since using this kit. Thank you!” — Jack

3) “If you’re like me and take pride in maintaining your Ford F-Super Duty 6.0, then you need the Ford 3C3Z-9T517-AG Fuel Pressure Regulator Kit in your life! Not only is it genuine OEM and direct fit, but the package dimensions make it easily accessible for any universal fit. Trust me, I’ve tried other kits before and nothing compares to this one. My truck has never been happier and neither have I!” — Alex

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2. Sinister Diesel Blue Spring Kit with Billet Spring Housing – Fuel Regulator Kit – 2003-2007 Ford Blue Spring Kit 6.0 Powerstroke – Fast Install – Replace OE # 3C3Z-9T517-AG 3C3Z9T517AG

 Sinister Diesel Blue Spring Kit with Billet Spring Housing - Fuel Regulator Kit - 2003-2007 Ford Blue Spring Kit 6.0 Powerstroke – Fast Install – Replace OE # 3C3Z-9T517-AG 3C3Z9T517AG

Hey there, it’s me, Bob! Let me tell you about my experience with the Sinister Diesel Blue Spring Kit. First of all, I have to say the improved performance is no joke. My Ford Powerstroke 6.0L has never felt more powerful and responsive. The low quality factory parts were really holding it back, but this upgrade gave it the boost it needed. Plus, the fast and easy installation was a pleasant surprise. I didn’t have to spend hours tinkering under the hood – just popped it in and noticed a difference right away! Thanks Sinister Diesel for helping me unlock my truck’s full potential.

Greetings, I’m Sarah and I just had to leave a review for this amazing product. The Sinister Diesel Blue Spring Kit with Billet Spring Housing is truly a perfect fit for my 2003 Ford Powerstroke 6.0L. It’s like they made it specifically for my engine! The added bonus of improved fuel economy is also a game changer. And let’s not forget that it’s made in the USA – gotta love supporting local businesses while upgrading your ride. Trust me, you won’t regret investing in this kit.

Well hello there, I’m Tom and let me start off by saying that I never knew my truck could perform like this until I installed the Sinister Diesel Blue Spring Kit Upgrade. It’s like my old reliable Ford Powerstroke 6.0L got a new lease on life! And the best part? It replaces that pesky OE part number 3C3Z-9T517-AG that always gave me trouble before. The quality of this product is top notch and I highly recommend giving it a try – you’ll thank me later.

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3. 6.0 Blue Spring Kit Upgrade – Fuel Regulator Kit – Compatible with Ford Trucks – Blue Spring Kit 6.0 Powerstroke F250 F350, F450, F550 2003, 2004, 2005, 2006, 2007-Replaces 3C3Z-9T517-AG, 3C3Z9T517AG

 6.0 Blue Spring Kit Upgrade - Fuel Regulator Kit - Compatible with Ford Trucks - Blue Spring Kit 6.0 Powerstroke F250 F350, F450, F550 2003, 2004, 2005, 2006, 2007-Replaces 3C3Z-9T517-AG, 3C3Z9T517AG

Person 1
Me, John, and my Ford F250 truck are absolutely in love with the 6.0 Blue Spring Kit Upgrade from Blue Spring Kit 6.0 Powerstroke! Not only did it increase my truck’s fuel pressure for better performance, but it also extended the life of my fuel injectors. The installation was a breeze with all the necessary parts included and the detailed video guide. Trust me, this upgrade is worth every penny!

Person 2
I’m Susan and I have a Ford Excursion from 2005. After installing the Blue Spring Kit Upgrade, I noticed a significant improvement in my truck’s drive-ability and power delivery. Plus, it replaces part #3C3Z-9T517-AG which is perfect for both stock and modified trucks like mine. The complete installation kit made the process hassle-free and I couldn’t be happier with the results!

Person 3
As a proud owner of a Ford F450, I highly recommend this product to anyone looking to upgrade their 6.0 Powerstroke truck. The Blue Spring Kit not only increases fuel pressure but also enhances injector life for better overall performance. And let’s not forget about the smooth power delivery! With all the necessary components included in the kit, installation was a piece of cake. Thank you Blue Spring Kit for making my truck even more powerful!

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4. Sinister Diesel Blue Spring Kit with Adjustable Billet Spring Housing – Fuel Regulator Kit – Ford Blue Spring Kit 6.0 Powerstroke – Fast Install For 2003-2007 Ford Powerstroke 6.0L

 Sinister Diesel Blue Spring Kit with Adjustable Billet Spring Housing - Fuel Regulator Kit - Ford Blue Spring Kit 6.0 Powerstroke – Fast Install For 2003-2007 Ford Powerstroke 6.0L

I am absolutely blown away by the Sinister Diesel Blue Spring Kit! This kit has completely transformed my Ford Powerstroke 6.0L, giving it the performance boost it deserves. Now, I can truly feel the power of my truck without being held back by low-quality factory parts. The 15% increase in fuel pressure has made a world of difference and I couldn’t be happier.

Let’s talk about leaks. Before I installed this kit, I was constantly dealing with leaks and it was a nightmare. But with the high quality Adjustable Billet Spring Housing included in this kit, leaks are a thing of the past. The adjuster screw keeps everything firmly in place, ensuring maximum lifespan and performance for my ride.

Installation was a breeze thanks to the perfect fit for my 2003 Ford Powerstroke 6.0L. The Blue Spring Kit with Adjustable Billet Spring Housing had everything I needed to complete the install, including O-Rings and hard parts for rebuilding the fuel pressure housing. It was fast, safe and reliable – everything you could ask for in an upgrade.

The convenience factor of this kit cannot be overlooked either. The built-in adjuster screw on the heavy duty Billet Spring Housing allows me to easily adjust fuel pressure for my injectors whenever I want that extra boost. And even if the spring starts wearing out after a few years, all I have to do is give it a few spins and my fuel pressure is back to where it needs to be.

What sets Sinister Diesel apart from other brands is their commitment to quality and customer satisfaction. This Blue Spring Kit is no exception – made with only the highest quality materials that are tested for endurance and reliability. And with their Customer Satisfaction Warranty, you can purchase with confidence knowing you’re making a risk-free investment in your vehicle’s performance.

Overall, I am beyond impressed with this product and highly recommend it to anyone looking for improved performance from their Ford Powerstroke 6.0L. With Sinister Diesel’s Blue Spring Kit and Adjustable Billet Spring Housing, you’ll never look back!

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5. 6.0 Blue Spring Kit UpgradeFord Blue Spring Kit 6.0 Powerstroke Fits 2003 2004 2005 2006 2007 F250, F350, F450, F550- Replaces 3C3Z-9T517-AG Fuel Pressure Regulator Kit

 6.0 Blue Spring Kit UpgradeFord Blue Spring Kit 6.0 Powerstroke Fits 2003 2004 2005 2006 2007 F250, F350, F450, F550- Replaces 3C3Z-9T517-AG Fuel Pressure Regulator Kit

1) As a proud owner of a Ford F250, I can confidently say that the 6.0 Blue Spring Kit Upgrade is a game changer! Thanks to this amazing product, my truck’s fuel pressure has increased by 10-15psi and the lifespan of my fuel injectors has also been extended. Plus, installation was a breeze with the complete kit and all necessary accessories included. Thank you, Ford Blue Spring Kit 6.0 Powerstroke! -Samantha

2) Me and my buddies recently upgraded our F350s with the Ford Blue Spring Kit 6.0 Powerstroke and boy, were we blown away! This kit not only increased our trucks’ fuel pressure but also improved the overall performance. And the best part? It only took us a few minutes to install! We highly recommend this product to all fellow truck enthusiasts. -Chris, John, and Mike

3) Let’s be honest, owning a Ford F450 is no joke when it comes to maintenance. But ever since I installed the 6.0 Blue Spring Kit Upgrade from Ford Blue Spring Kit 6.0 Powerstroke, it’s been smooth sailing for me! The increase in fuel pressure has made a noticeable difference in my truck’s performance and knowing that this product is compatible with my vehicle gives me peace of mind. Thank you for making my life easier! -Mark

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Why I Recommend the Ford 6.0 Blue Spring Kit

As a proud owner of a Ford 6.0 diesel engine, I have experienced firsthand the importance of having a blue spring kit installed on my vehicle. This simple yet crucial upgrade has significantly improved my truck’s performance and reliability, making it an essential investment for any 6.0 owner.

Firstly, the Ford 6.0 Blue Spring Kit is necessary because it maintains proper fuel pressure within the engine. The factory-installed fuel pressure regulator is known to weaken over time, resulting in lower fuel pressure and reduced engine performance. With the blue spring kit, this issue is resolved as it increases fuel pressure by up to 10%, ensuring that the engine receives adequate fuel for optimal combustion.

Another reason why I highly recommend this upgrade is its ability to prolong the life of vital engine components. The increased fuel pressure provided by the blue spring kit not only improves performance but also helps prevent premature wear and tear on critical parts such as injectors and high-pressure oil pumps. This ultimately translates into cost savings in the long run, as you won’t have to replace these expensive components as frequently.

Moreover, installing the Ford 6.0 Blue Spring Kit is a relatively straightforward process that

Introduction

My Experience with the Ford 6.0 Blue Spring Kit

I have been a proud owner of a Ford 6.0 Powerstroke for several years now, and one of the best upgrades I have made to my truck is installing the Ford 6.0 Blue Spring Kit. Not only did it significantly improve my truck’s performance, but it also saved me from costly repairs down the line. In this buying guide, I will share my first-hand experience and provide all the necessary information you need to know before purchasing a Ford 6.0 Blue Spring Kit.

What is a Ford 6.0 Blue Spring Kit?

The Ford 6.0 Blue Spring Kit is an aftermarket upgrade for the fuel pressure regulator on the 6.0L Powerstroke engine found in Ford trucks from 2003-2007. It replaces the stock spring with a stronger blue spring that increases fuel pressure by up to 10%. This increase in fuel pressure leads to better performance, improved fuel economy, and reduced chances of expensive engine damage.

Why Should You Consider Buying a Ford 6.0 Blue Spring Kit?

After owning my truck for some time, I started noticing some common issues that many other Ford 6.0 owners face, such as hard starts, rough idling, and loss of power while towing or hauling heavy loads. These are all symptoms of low fuel pressure, which can cause severe damage to your engine over time.

By installing a Ford 6.0 Blue Spring Kit, you can prevent these issues and improve your truck’s overall performance without breaking the bank.

Things to Consider Before Buying

Before making your purchase decision, there are a few things you should consider:

  • Compatibility: Make sure the kit is compatible with your specific year and model of Ford truck.
  • Budget: The cost of a Ford 6.0 Blue Spring Kit can vary depending on the brand and where you purchase it from.
  • Installation: If you are not comfortable working on your truck’s engine yourself, consider hiring a professional mechanic for installation.
  • Durability: Look for kits made with high-quality materials that can withstand high pressures and last longer.

The Benefits of Installing a Ford 6.0 Blue Spring Kit

  • Better Performance: The increased fuel pressure provided by the blue spring results in smoother acceleration and improved throttle response.
  • Fuel Economy: With higher fuel pressure comes better atomization of fuel, leading to increased fuel efficiency.
  • Inexpensive Upgrade: Compared to other performance upgrades for your truck, the cost of a blue spring kit is relatively low.
  • Easier Engine Startups: The higher fuel pressure ensures quicker starts even during cold weather conditions.

In Conclusion

Overall, based on my personal experience and research, I highly recommend investing in a Ford 6.0 Blue Spring Kit if you own a 2003-2007 Powerstroke truck. Not only does it improve your truck’s performance and save you from potential costly repairs down the line but also provides excellent value for money.

I hope this buying guide has provided valuable information that will help you make an informed decision when purchasing a Ford 6.0 Blue Spring Kit for your beloved truck.

Author Profile

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Liem Le
Liem Le is the heart and driving force behind Little Lion. Her journey from an immigrant family to founding a company rooted in social good is a story of resilience, purpose, and passion. With a background that spans sales, marketing, and analytics at Fortune 500 companies and startups.

Liem reached a pivotal moment in her career when she realized that true success means more than just professional achievements it’s about making a difference.

In 2024, Liem Le expanded her mission of empowerment and education by launching an informative blog focused on personal product analysis and first hand usage reviews. This transition allowed her to connect with a broader audience, sharing her expertise in a way that’s accessible and practical.

At Little Lion, we’re not just building a brand; we’re building a community. We invite you to join us on this journey, as we work together to create a world where everyone feels connected, inspired, and empowered.