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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Spring
I used the 65 PSI Spring but still only get 60 PIS.
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Fuel pressure spring
Definitely could tell in my throttle response great purchase
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Increased Performance
I feel a small increase in pedal response and power on takeoff
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Fuel FPR spring
Have not installed this product yet
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Noticeable difference
Stock now feels closer to my 45hp tune. Little quieter at idle.
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7.3 Fuel Spring Kit
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.
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Vary nice upgrade
If you cant get the cross over kit get this. well worth the cost
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FPR
Great product getting way better mpgs
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Great Kit
Nice little kit, included all the orings needed for install. Took my 2001 7.3 fuel pressure from 51 at idle and 40 full throttle back up to 61psi idle and 59 wide open. Other kits I was considering only included a single spring and somehow thought it was worth over $25! Ridiculous. Once again riffraff is the best.
