SKU: 56621152785

Sinister Diesel Blue Spring Kit with Adjustable Billet Spring Housing 03-07 6.0L Ford Powerstroke

Sale price$116.99 Regular price$129.99
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Description

Sinister Diesel Blue Spring Kit with Adjustable Billet Spring Housing 03-07 6.0L Ford PowerstrokeAn easy 30 minute install of this updated "Blue Spring" in your Powerstroke can increase your fuel pressure back to factory, helping your truck feel reguvenated. Most 6. 0's see an increase of 10 psi of fuel pressure. The added fuel pressure will help keep the injectors from out flowing the stock fuel pump, meaning no air in the injectors, and an injector that will live much longer. Most trucks will actually quite down a little at idle, rev up a lot

An easy 30 minute install of this updated "Blue Spring" in your Powerstroke can increase your fuel pressure back to factory, helping your truck feel reguvenated. Most 6.0's see an increase of 10 psi of fuel pressure. The added fuel pressure will help keep the injectors from out flowing the stock fuel pump, meaning no air in the injectors, and an injector that will live much longer. Most trucks will actually quite down a little at idle, rev up a lot quicker and with the added fuel pressure, a little quicker spool up on the turbo. The kit does include all the O-Rings and hard parts to rebuild the fuel pressure housing.

Another major bonus is that this block has an adjuster screw in it. This will allow you to bump pressure up a little for big injectors. Or after the spring settles after years of abuse, just loosen up the jam nut, and run the adjuster screw in a turn or two to get your fuel pressure back to where you want it. Everybody has their own opinion of fuel pressure in a 6.0L Powerstroke, why not choose for yourself, we recommend setting it between 55-68psi.

This kit also comes with a Brand New Billet Aluminum housing to keep the regulator sprig set and to prevent leaks from the housing. This is a much thicker, stronger billet piece than the factory Cast Aluminum spring housing. The factory unit is known to leak or "weep" fuel from the sides. This kit will also help clean up the look of the factory filter housing as well.

Shipping Notes
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
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SKU: 56621152785

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Amazon Customer
Charlottesville, US
★★★★★ 5
Easy 2-Velcro closure
Bought the first pair at Kohls, was a favorite easy velcro closure for our 2.5 yr old Grandaughter. Wanted pink and Amazon had these. Perfect fit one half size up. They run a little narrow and smaller but are lightweight and easy for a toddler to put their own shoes on! Her favorite.
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Reviewed in the United States on August 9, 2025
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Dylan Martin
Houston, US
★★★★★ 5
Perfect for my toddler
These shoes have been great for my 2yo! Easy on and off, stylish and affordable.
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Reviewed in the United States on December 16, 2025
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morgan garcia
Waukegan, US
★★★★★ 5
run small.
Size: 7.5 Little Kid, Color: Peri
I was a fool and didn't size up, our daughter was only able to sue them for a minute. Should have sized up 2 sizes, I know better. A bit chunky too which I forgot about with these shoes, but fun color and easy to put on.
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Reviewed in the United States on October 4, 2025
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Antoinette Clarisa
Belleville, US
★★★★★ 5
Stylish and comfortable
Great for my toddler, very easy for him to walk in. They’re sturdy but lightweight and have good traction so he doesn’t slip. He does have really fat feet so the Velcro is a little tight if you’re between sizes with a fat foot toddler size up
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Reviewed in the United States on August 28, 2025
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Rula Kanj
Los Angeles, US
★★★★★ 5
Great toddler sneakers
Size: 9.5 Toddler, Color: Navy/Silver/Pink
Love these sneakers. They’re our 2nd pair — my daughter loved her 1st pair (grey) so when she outgrew those, we bought the navy. They’re easy for her to put on at age 3/4, and they’re comfortable for her wide feet.
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Reviewed in the United States on December 18, 2025

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