Upgraded Fuel FPR Spring Kit 99-03

Part Number:



Upgraded Fuel FPR Spring Kit 99-03 7.3L

Upgrade your weak original FPR spring in your 1999-2003 7.3L Powerstroke. Choose from 3 springs depending on what pressure you want to run, silver ~55psi, ~gold 62psi, black ~70psi. Kit includes the mounting oring, as well as the fuel sleeve on the return tube. All parts 100% Made in the USA.



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  • 5

    Posted by Unknown on Jul 11th 2020

    Works great, would recommend buying the o-rung lub to go with it.

  • 5

    Posted by Donnie Ingram on Jun 27th 2020

    I used the 65 PSI Spring but still only get 60 PIS.

  • 5
    Fuel pressure spring

    Posted by Unknown on Jun 9th 2020

    Definitely could tell in my throttle response great purchase

  • 4
    Increased Performance

    Posted by Karl on Jun 5th 2020

    I feel a small increase in pedal response and power on takeoff

  • 5
    Fuel FPR spring

    Posted by Jerry on Jun 1st 2020

    Have not installed this product yet

  • 5
    Noticeable difference

    Posted by Justin on May 29th 2020

    Stock now feels closer to my 45hp tune. Little quieter at idle.

  • 5
    7.3 Fuel Spring Kit

    Posted by Thomas on May 13th 2020

    great kit with selection of springs for your 7.3. Comes with new o-ring and gasket to make sure you can reseal your fuel regulator properly.

  • 5
    Vary nice upgrade

    Posted by jaymie c on May 4th 2020

    If you cant get the cross over kit get this. well worth the cost

  • 5

    Posted by Patrick Baruth on Apr 30th 2020

    Great product getting way better mpgs