Sinister Diesel 03-07 Ford Powerstroke 6.0L Blue Spring Kit with Adjustable Billet Spring Housing Sinister Diesel 03-07 Ford Powerstroke 6.0L Blue Spring Kit with Adjustable Billet Spring Housing Sinister Diesel 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.This Part Fits: Year Make Model Submodel 2003-2005 Ford Excursion Eddie Bauer 2003-2005 Ford Excursion Limited 2004-2005 Ford Excursion XLS 2003-2005 Ford Excursion XLT 2004-2007 Ford F-250 Super Duty Harley-Davidson Edition 2004-2007 Ford F-250 Super Duty King Ranch 2003-2007 Ford F-250 Super Duty Lariat 2003-2007 Ford F-250 Super Duty XL 2003-2007 Ford F-250 Super Duty XLT 2004-2007 Ford F-350 Super Duty Harley-Davidson Edition 2003-2007 Ford F-350 Super Duty King Ranch 2003-2007 Ford F-350 Super Duty Lariat 2003-2007 Ford F-350 Super Duty XL 2003-2007 Ford F-350 Super Duty XLT
Sinister Diesel

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

Code: SINSD-FUELBLK-6.0-ADJ
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Sinister Diesel 03-07 Ford Powerstroke 6.0L Blue Spring Kit with Adjustable Billet Spring Housing Sinister Diesel 03-07 Ford Powerstroke 6.0L Blue Spring Kit with Adjustable Billet Spring Housing Sinister Diesel 03-07 Ford Powerstroke 6.0L Blue Spring Kit with Adjustable Billet Spring Housing Sinister Diesel 03-07 Ford Powerstroke 6.0L Blue Spring Kit with Adjustable Billet Spring Housing Sinister Diesel 03-07 Ford Powerstroke 6.0L Blue Spring Kit with Adjustable Billet Spring Housing Sinister Diesel 03-07 Ford Powerstroke 6.0L Blue Spring Kit with Adjustable Billet Spring Housing Sinister Diesel 03-07 Ford Powerstroke 6.0L Blue Spring Kit with Adjustable Billet Spring Housing
Sinister Diesel 03-07 Ford Powerstroke 6.0L Blue Spring Kit with Adjustable Billet Spring Housing
Sinister Diesel 03-07 Ford Powerstroke 6.0L Blue Spring Kit with Adjustable Billet Spring Housing Sinister Diesel 03-07 Ford Powerstroke 6.0L Blue Spring Kit with Adjustable Billet Spring Housing Sinister Diesel 03-07 Ford Powerstroke 6.0L Blue Spring Kit with Adjustable Billet Spring Housing Sinister Diesel 03-07 Ford Powerstroke 6.0L Blue Spring Kit with Adjustable Billet Spring Housing Sinister Diesel 03-07 Ford Powerstroke 6.0L Blue Spring Kit with Adjustable Billet Spring Housing Sinister Diesel 03-07 Ford Powerstroke 6.0L Blue Spring Kit with Adjustable Billet Spring Housing Sinister Diesel 03-07 Ford Powerstroke 6.0L Blue Spring Kit with Adjustable Billet Spring Housing
$139.09 $106.99
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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.

This Part Fits:

Year Make Model Submodel
2003-2005 Ford Excursion Eddie Bauer
2003-2005 Ford Excursion Limited
2004-2005 Ford Excursion XLS
2003-2005 Ford Excursion XLT
2004-2007 Ford F-250 Super Duty Harley-Davidson Edition
2004-2007 Ford F-250 Super Duty King Ranch
2003-2007 Ford F-250 Super Duty Lariat
2003-2007 Ford F-250 Super Duty XL
2003-2007 Ford F-250 Super Duty XLT
2004-2007 Ford F-350 Super Duty Harley-Davidson Edition
2003-2007 Ford F-350 Super Duty King Ranch
2003-2007 Ford F-350 Super Duty Lariat
2003-2007 Ford F-350 Super Duty XL
2003-2007 Ford F-350 Super Duty XLT
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.

This Part Fits:

Year Make Model Submodel
2003-2005 Ford Excursion Eddie Bauer
2003-2005 Ford Excursion Limited
2004-2005 Ford Excursion XLS
2003-2005 Ford Excursion XLT
2004-2007 Ford F-250 Super Duty Harley-Davidson Edition
2004-2007 Ford F-250 Super Duty King Ranch
2003-2007 Ford F-250 Super Duty Lariat
2003-2007 Ford F-250 Super Duty XL
2003-2007 Ford F-250 Super Duty XLT
2004-2007 Ford F-350 Super Duty Harley-Davidson Edition
2003-2007 Ford F-350 Super Duty King Ranch
2003-2007 Ford F-350 Super Duty Lariat
2003-2007 Ford F-350 Super Duty XL
2003-2007 Ford F-350 Super Duty XLT

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Cutoff time is 1pm EST. Assuming we have all your parts in stock, the order should ship the same day. If you need a product by a specific date, please call us to find out if its possible to meet your deadline before ordering. Please be aware that there may be discrepancies with shipping calculators or “in stock” status of a product. 

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Orders over $99 qualify for free shipping within the contiguous  United States. *Services are excluded from free shipping. We will chose the most economic method. If you need a product as quickly as possible, always best to chose an expedited shipping option. 

 

Return Window

We allow up to 90 days from the original purchase date to return your item for an exchange or store credit. If you wish to return the product for a refund, we allow up to 45 days from the original purchase date. 

Shipping 

Customers are responsible for return shipping costs, unless of course we made an error when we shipped out the order. Please contact us if an error was made, we can send over a return label to the email address on file to begin the exchange process. 

Refunds/Store Credit

Please be advised that any free shipping promotions used on the original order will be forfeited if the order is returned and the original shipping costs (paid or unpaid) will also be deducted from the refundable amount.  Refunds can only be processed to the original payment method. Store credit will be sent through an email gift card, which you can apply to your next order with us. 

Our standard restocking fee structure is outlined below. Please refer to our exchange and refund policies for important timelines. 

Tier 1: Perfect condition. (Unopened & like-new) = 90% refund or 100% store credit.
Tier 2: Re-conditionable. (Packaging opened or damaged) = 80% refund or 90% store credit.        
Tier 3: Inability to restock. (Product & packaging both damaged) = 70% refund or 80% store credit. 

Exclusions

If the part has been installed, and shows signs of use, we are unable to take the product back for an exchange or refund. Original Osram and Philips bulbs cannot be returned if the authenticity seal has been broken. Any special ordered item, such as a custom headlight conversion, is not eligible to be returned. 

HID and LED bulbs are street legal in the USA for Fog Light use only. Not compliant with DOT / FMVSS108 and not street legal in the USA for Headlights. Legal for off-road use in Snowmobile and ATV headlights and off-road racing use only auxiliary or forward lighting. International street legality varies by country. 

Note: This usage regulation is not unique to products found on our website. All LED and HID bulbs from all other brands, regardless of marketing claims, are prohibited from street use in halogen headlights in the USA. To find street legal LED headlight assemblies, click HERE. 

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