2003-2007 6.0L Ford Sinister diesel blue spring kit with billet spring housing

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Seller: sinister-diesel ✉️ (8,884) 99%, Location: Roseville, California, US, Ships to: US & many other countries, Item: 253645654303 2003-2007 6.0L Ford Sinister diesel blue spring kit with billet spring housing. 2003-2007 6.0L Ford Sinister diesel blue spring kit with billet spring housing
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featured products Sinister Diesel Black Diamond Head Gasket for Duramax (Driver A) $95.0 Sinister Diesel Basic Solution 6.0L w/ Square EGR Cooler 2004-2007 Powerstroke $624.0

2003-2007 6.0L Ford Sinister diesel blue spring kit with billet spring housing
Product description Sinister Diesel Blue Spring Kit with Billet Spring Housing for 2003-2007 Ford Powerstroke 6.0L

Description:  

The Sinister Diesel 6.0 Powerstroke Blue Spring Kit is a high-performance upgrade kit designed to improve the fuel pressure regulation system in your Ford Powerstroke. This kit includes a precision-engineered regulator spring and billet aluminum housing that replaces the stock regulator on the fuel pressure regulator assembly, which helps increase fuel pressure, reduce injector stiction, and improve overall engine performance.


The blue spring included in the kit is designed to deliver consistent fuel pressure to the injectors, which improves fuel economy, power output, and engine responsiveness. The billet aluminum housing is built to withstand high-pressure fuel flow and is designed to resist corrosion and wear, ensuring long-lasting performance and durability. 

The kit is easy to install and comes with all the necessary hardware and instruction to complete the upgrade. With the Sinister Diesel Blue Spring Kit, you can expect improved engine performance, increased fuel efficiency, and a smoother driving experience. Whether you use your diesel for daily driving, towing, or off-roading, this kit is a must-have upgrade for any enthusiast looking to get the most out of their 6.0

Compatible with F-series and Excursion ONLY. NOT Compatible with E-series.

  • Kit comes Complete with everything needed for install
  • Billet machined Aluminum spring housing
  • New "Blue Spring" with gaskets
  • Helps save Injectors from low fuel pressure Now Available for sale in California!
  • Carb eO # d-721-4
  • Payment Terms
  • shipping Terms
  • return policy
  • About Sinister
  • contact us
Payment Terms

Payment is required within 24hrs of Purchase. We accept Pay Pal or Visa/Mastercard by phone. If for some reason payment cannot be made in 24Hrs, we will accept a 20% deposit to hold the item, or you can contact us for special arrangements.

Shipping Terms

Most items ship 1-3 days after payment is received and cleared. Shipping insurance is included with all items. Remember if you have not paid for expedited shipping you will receive your item in 7-10 days. Most items ship same day, however if you place your order after 3:00 PM it may not ship until the next business day. That means if you order on Friday at 5:00 PM it will not ship until Monday and if you're east of the Mississippi transit time is 5 business days so you won't see it until the following Monday (10 days).

Return policy

A Returns Merchandise Authorization Form (RMA) must be completed prior to returning any parts. You can find the form here: RMA Form. Credit for returned parts will be issued at the time Sinister Diesel receives, inspects and approves returned merchandise, not when the RMA is submitted. All products must be returned to Sinister Diesel and inspected before a credit memo is issued to the account. No returns will be allowed on drop-ships, add to stocks, special orders, discontinued items, or painted products.

Pay particularly close attention to order details at the time you receive your products to ensure that, should a return be necessary, all required parts and paperwork are included in the return shipment. Follow instructions and warnings on packaging before opening. Pay attention to the label on the outside of the box to ensure your new parts match the vehicle to which you are fitting them. You are responsible for repackaging returned items to the same standard in which they were received. Poorly repackaged products are highly likely to be damaged during the return and thus credit denied. Customers are reminded to unpack, dry fit and examine all parts before installation.

About Sinister

For Non-Defective Parts: The item must have been purchased from Sinister Diesel within the past 30 days. The original invoice number must also be provided. Products must be in the condition you received them in and must be in the original box and/or packaging.

For Defective Parts: The item must not have exceeded the manufacturer warranty period.

For All Parts: Sinister Diesel must first be contacted either by phone, or by completing the Sinister RMA Form. The form must be accurately completed, submitted and approved by the Sinister Diesel Returns Department prior to shipping your parts. For warranty items, full explanation of the problem must be completely and accurately described. The returned items must match the parts and descriptions given in the RMA.

Sinister Diesel reserves the right to refuse credit according to, but not limited to, the following conditions

  • - Electronic devices are non-returnable.
  • - The Item is returned for a non-warrantable reason.
  • - The Item is not as described on the RMA.
  • - The Manufacturer requires that you deal directly with them regarding defective items.
  • - The Manufacturer's Warranty policy takes precedent on issuing of credits. Credit may then be issued upon the Manufacturer's approval and will include applicable return shipping charges. No credit will be issued for labor expenses incurred. Other Manufacturer related fees may apply.
  • - Items returned because of missing parts will be handled by the Manufacturer. At Sinister Diesel's discretion, Sinister Diesel may act as a liaison to resolve the issue.

Restocking fees will be applied for all returned items. Typical 20% minimum, will be assessed upon receiving parts, any damage will cause restocking fees to increase.

Returns on international orders subject to applicable governmental, shipping and restocking fees as determined by Sinister Diesel Warranty Terms and Conditions

Racing - The warranty for parts designated "race" covers manufacturer defects. Should a race part fail due to a defect in manufacturing as determined by Sinister Diesel, customer is entitled to replacement of that specific part.

Street - The warranty for parts designated "street legal" covers manufacturer defects. Should a street legal part fail due to a defect in manufacturing as determined by Sinister Diesel, customer is entitled to a refund, credit, or replacement of a comparable part.

All warranty determinations including but not limited to the cause of part failure and customer remedy will be determined solely by Sinister Diesel. In all cases, the item must not have exceed the manufacturer warranty period.

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Our Seller Ratings
  • 317 Item as described
  • 321 Communication
  • 320 Shipping time
  • 324 Shipping charges

Our Recent Feedback

Sinister Diesel (7641 total)
  • As described. Good Ebayer.2019-12-31
  • Perfect, 5 min install2019-12-31
  • Good item fast shipping 2019-12-31
  • Just as described, fast shipping A++++++++++++++++++++++++2019-12-31
  • Item as described 2019-12-30
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  • Condition: New
  • Modified Item: No
  • Custom Bundle: No
  • Type: Fuel Injector Pressure Regulator
  • Manufacturer Part Number: SD-FUELBLK-6.0
  • Brand: Sinister Diesel
  • Fitment Type: Direct Replacement
  • Non-Domestic Product: No
  • Manufacturer Warranty: 2 Year
  • UPC: 841788103350

PicClick Insights - 2003-2007 6.0L Ford Sinister diesel blue spring kit with billet spring housing PicClick Exclusive

  •  Popularity - 98 watchers, 0.0 new watchers per day, 2,136 days for sale on eBay. Super high amount watching. 275 sold, 10 available.
  •  Best Price -
  •  Seller - 8,884+ items sold. 1% negative feedback. Great seller with very good positive feedback and over 50 ratings.

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