Sinister Diesel Blue Spring Kit with Billet Spring Housing (SDFUELBLK60) for 2003-2007 Powerstroke 6.0L

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The Sinister Diesel 6.0 Powerstroke Blue Spring Kit is a performance upgrade for Ford Powerstroke engines designed to enhance fuel pressure regulation. It features a durable billet aluminum housing and a high-quality blue spring that increases and stabilizes fuel pressure, reducing injector stiction and boosting engine responsiveness, power, and fuel efficiency.

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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
Additional information
Weight 1 lbs
Dimensions 5 × 5 × 5 in
Manufacturer

Fitment

Fitment

2007 Ford F-250 6.0L

2007 Ford F-350 6.0L

2006 Ford F-250 6.0L

2006 Ford F-350 6.0L

2005 Ford Excursion 6.0L

2005 Ford F-250 6.0L

2005 Ford F-350 6.0L

2004 Ford Excursion 6.0L

2004 Ford F-250 6.0L

2004 Ford F-350 6.0L

2003 Ford Excursion 6.0L

2003 Ford F-250 6.0L

2003 Ford F-350 6.0L

Features

Features

  • Anodized in Sinister Blue
  • CNC Machined from T6-6061 billet aluminum
  • Laser etched Sinister Diesel logo
  • New “Blue Spring”
  • New Gaskets
  • Restores lost fuel pressure from a worn spring
  • Helps save Injectors from low fuel pressure
  • Replaces OE Part Number: 3C3Z-9T517-AG
  • 2 Year Warranty
Includes

Includes

  • (1) Sinister Diesel Billet Spring Housing
  • (1) New “Blue Spring”
  • (1) New Gasket/O-ring set
  • Installation Hardware
Warning

Warning

Note: NOT Compatible with E-series or Cab and Chassis

About brand
Sinister Diesel builds performance and reliability parts for diesel trucks. The company focuses on cooling, durability, and proper fitment. Sinister Diesel performance parts support daily driving, towing, and work use. Sinister designs cooling systems, charge pipes, and fuel system components. These parts help manage heat and reduce stress on the engine. Better cooling supports consistent performance under load. Truck owners trust the brand for dependable upgrades. These parts perform well in real-world driving conditions.
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