SKU: 51403134949

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

Sale price$116.99 Regular price$129.99
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Ships within 48 hours · Estimated delivery Oct 10 - Oct 15

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Description

Sinister Diesel 03-07 Ford Powerstroke 6.0L Blue Spring Kit with Adjustable Billet Spring HousingThe easy 30 minute install of the new updated "Blue Spring" will increase your fuel pressure back up to where it should be from the factory. Most 6. 0's see an increase of 10 psi of fuel pressure. The added fuel pressure will help keep the injectors from outflowing the stock fuel pump, meaning no air in the injectors, and an injector that will live much longer. Most trucks will actually quiet down a little at idle, rev up a lot quicker and with the

The easy 30 minute install of the new updated "Blue Spring" will increase your fuel pressure back up to where it should be from the factory. Most 6.0's see an increase of 10 psi of fuel pressure. The added fuel pressure will help keep the injectors from outflowing the stock fuel pump, meaning no air in the injectors, and an injector that will live much longer. Most trucks will actually quiet 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 spring 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., Note: NOT Compatible with E-series., Features:Anodized in Sinister Blue, CNC Machined from T6-6061 billet aluminum, Laster etched Sinister Diesel logo, New "Blue Spring", New Gaskets, Adjustable fuel pressure so you can fine tune your performance, Restores lost fuel pressure from a worn spring, Helps save Injectors from low fuel pressureIncludes:(1) Sinister Diesel Billet Spring Housing, (1) New "Blue Spring", (1) New Gasket/O-ring set, Installation Hardware.
Shipping Notes
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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SKU: 51403134949

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4.1 ★★★★★
Based on 29 reviews
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H. W. Hudson
Massapequa, US
★★★★★ 5
Works great!
Size: 36 pcs
Works great! Very happy with this purchase. Has everything you need. Easy to follow instructions and works great. I plugged a tire from a nail hole on my Jeep and it worked great. Saved me some big bucks!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 27, 2026
T
Verified Purchase
T. Beard
New York, US
★★★★★ 5
Very Nice Tire Kit
Size: 36 pcs
Put together very well. Nice little kit - all packed up perfectly for easy storage in your vehicle. Quality zipper pouch and the tools look great in it. I have not fixed a flat tire with it but it is handily placed in my vehicle for such an occasion. Glad I bought it.
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Reviewed in the United States on May 1, 2026
M
Verified Purchase
Ms R
Massapequa, US
★★★★★ 5
Great for many ways on my leather goods!
Size: 16 Fl Oz (Pack of 1)
This stuff got the smell out of a purse I bought that had a chemical smell online. I mean, I try to wash this person all kinds of stuff and couldn't get the stink out of it. I thought I was gonna have to throw it out. I bought this at the last attempt to fix it and it got rid of the smell! I also used it on all my leather shoes, and I cleaned my leather headboard. All shiny and moist now. I know this is for cars, but I don't have any leather seats in my cars. But everything I used it on is clean and smells better.
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Reviewed in the United States on May 2, 2026
A
Verified Purchase
Amazon Customer
Lowell, US
★★★★★ 5
Keeping it clean!
Size: 32 Fl Oz (Pack of 1)
Great product.
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Reviewed in the United States on May 19, 2026
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Verified Purchase
Amazon Customer
Houston, US
★★★★★ 5
The smell is wonderful
Size: 16 Fl Oz (Pack of 1)
This product smells really nice. Like clean fresh leather. My seats look nice. My dog had an accident all over the front of my seat and after cleaning thoroughly, this seemed to really help.
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Reviewed in the United States on May 21, 2026

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