Fuel Pressure Regulator Spring Kit – Blue Spring Upgrade | Fits Ford 7.3L Powerstroke Diesel (1999–2003) | Increases PSI

Fuel Pressure Regulator Spring Kit – Ford 7.3L Powerstroke (1999–2003)

This blue spring upgrade kit restores optimal fuel pressure for Ford 7.3L Powerstroke diesel engines. Designed to replace the weak factory spring and improve injector performance, throttle response, and idle stability.

Key Features

• Increases fuel pressure by up to 10% – from ~55 PSI to ~62–70 PSI
• Improves injector longevity and cold start performance
• Compatible with OEM fuel bowl and regulator housing
• Includes: high-carbon steel spring, aluminum regulator piston, O-ring, fuel sleeve

Fitment Compatibility

• Ford 7.3L Powerstroke Diesel: 1999–2003
• F-Series: F-250 / F-350 / F-450 / F-550
• Excursion SUV
• E-Series Vans: E-250 / E-350
• Transmission: Automatic & Manual
• Note: Not compatible with California CARB-certified vehicles

Package Includes

• 1 x Blue Spring (high-carbon steel)
• 1 x Aluminum Regulator Piston
• 1 x Fuel Return Sleeve
• 1 x O-ring Seal

Installation Notes

• Remove fuel filter housing to access regulator
• Replace spring and piston using included components
• Torque bolts to factory spec – no ECU programming required

Shipping & Warranty

• Free shipping within USA 
• Estimated delivery: Mon, Sep 29 – Thu, Oct 2
• 30-day return policy
• 3-year product guarantee