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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Easy
Was super easy to install both O-rings were correct. My stock spring still had tension but was a little too short. Truck runs good. Can’t tell the difference but at least I know it’s in there.
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Upgraded Fuel FPR Spring Kit 99-03
Simple install- truck idled smother & seemed to run quiet. happy with purchase!
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Seems to be a lot more responsive now that I used the gold spring from the kit.old spring from the kit. Other than that the engine is stock.
Seems more responsive now. Engine is stock with 6 position tune and 210,000 mi. now.
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Good deal ?
The best service
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fpr spring kit
Easy to install, black spring yielded me right at 65 psi post-fuel filter. Helped to quiet idle and injector clatter
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FUEL FPR SPRING KIT
Great kit, has everything you need
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Fuel Pressure Spring
I was skeptical that a tiny part could make a difference. I have a 2000 7.3 with 215,000 miles. I thought it ran well before this upgrade. Now, it is a different truck entirely. It has more power and better sounds overall. I used the gold spring. It's easily installed, but watch dropping the parts in the valley. I had some diesel on my fingers, and the housing and spring went flying as I was pressing to install the screws. Luckily, I was able to find them.
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Spring Kit
Have my 7.3 a new life. Better throttle response and faster to start. I think my old springs we very tired after seeing how much better it runs.
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Fuel spring kit
Used the middle Goldspring. What a huge improvement it made.!!
