EVIL ENERGY Fuel Pressure Regulator 30-140PSI Adjustable Pressure Range, 10AN Bypass Return EFI Fuel Regulator with Gauge and Fitting Red
Condition: New
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Availability:
In Stock.
Arrives
Tuesday, Apr 14
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Features
- Features- The EFI fuel pressure regulator is precision machined from 6061-T6 aluminum alloy and features a 1/8 inch NPT instrument port, 1/8 inch NPT vacuum interface, two 10AN (ORB) feed ports and one 10AN (ORB) return port.
- Adjustable Range- The pre-installed spring supports a pressure range of 30-80psi, while the replacement spring supports a pressure range of 80-140psi. Adjust the set screw on top to get the desired pressure, and change to the replacement spring if a higher pressure is needed.
- Fuel Type- Adjustable fuel pressure regulator compatible with gasoline,E85 and alcohol/ethanol, not compatible with diesel fuel. (Nylon braided fuel line is not compatible with E85.)
- Package Includes- 1 x fuel pressure regulator, 1 x pressure gauge, 1 x replacement spring, 1 x AN10 ORB port plug, 1 x allen key, 1 x sealant tape, 3 x AN10 ORB to AN6 fitting, 3 x AN10 ORB to AN8 fittings, 3 x AN10 ORB to AN10 fittings.
- Application- The Evil energy fuel pressure regulator is suitable for most vehicles' electronic fuel injection systems and can maintain the engine's fuel pressure at a specified value. (Note:when installing fuel regulator NPT pressure gauge port,please use thread sealant tape for sealing.Professional installation is highly recommended.)
Manufacturer: Speedwow Tuning
Brand: EVIL ENERGY
Model: FS07330-AMZ1
Item Weight: 2.18 pounds
Package Dimensions: 9.13 x 7.24 x 3.35 inches
Item model number: FS07330-AMZ1
Exterior: Machined
Manufacturer Part Number: FS07330-AMZ1
Date First Available: March 30, 2025
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Tuesday, Apr 14
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Bang for the buck with this one, Boys and Girls, you will not be disappointed. Came quickly in secure packaging, packed in foam, and parts spaced from each other so nothing would get scratched up. Obviously, very well made soon as you pull it out of the box, you can feel the quality in the weight of it. Nice finish to it and easy to install with a properly made bracket, no issues with that. installed quickly and straightforwardly, easy to adjust. Have not run it under boost yet, but I have no doubt it will perform as it should. Great value on this one, don't hesitate.
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Reviewed in the United States on March 3, 2026 by brian hart
Looks like good quality.
Reviewed in the United States on March 18, 2026 by Larry Williamson
Quality looks good.
Reviewed in the United States on February 14, 2026 by Robert b.
Exactly what I expected from them
Reviewed in the United States on December 14, 2025 by DAVE HOLLAND
Worked like advertised
Reviewed in the United States on November 5, 2025 by james shay cardin
I used this fuel pressure regulator when redoing the fuel system on my 1988 Chevrolet Corvette C4. It is steel and anodized aluminum, and it is highly machined and built like a tank. It comes with all necessary AN fittings and works well with their fuel line kits. It is highly adjustable and precise, and it also include a fuel pressure gauge for instant feedback on adjustments. I blocked the old, cheap OEM pressure regulator and installed this for better performance and to increase pressure as I add engine modifications. This is very inexpensive for the highly engineered fuel regulator. I highly recommend the brand and fuel regulator.
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Reviewed in the United States on October 1, 2025 by Brandon
This EVIL ENERGY fuel pressure regulator brings serious Aeromotive vibes without demanding Aeromotive dollars. I grabbed it for my Turbo LS setup because I needed something that could handle E85, run 10AN ORB fittings, and still look sharp mounted up front. This one checked every box. The machining is clean, the anodized red finish pops just enough without screaming for attention, and the included gauge and fittings make it feel like a complete package right out of the box. I'm still mid install and will update it once we hit the dyno. The adjustable pressure range is wide enough to dial in exactly what you need, and the spring options give it that extra layer of versatility whether you're running mild or wild. I always crack these open before use to check for debris, and this one was spotless inside—no mystery shavings or leftover shop dust. At seventy bucks, it’s not bargain bin cheap, but compared to the big-name alternative, it’s a smart buy if you care more about performance than brand clout. If you’re not chasing logo points and just want a solid, reliable regulator that won’t flinch under boost, this one’s ready to earn its spot on your firewall.
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Reviewed in the United States on July 9, 2025 by Amazon Customer
This regulator is a nice piece. the packaging is also super nice. includes all the fittings you need to mount and plumb it. Also includes an extra spring if you want to run higher pressures. The only thing is this unit is fairly big, the picture kinda of makes it looks like a more compact regulator which it is not. i dont think itll be an issue for 90% of people installing one. Install is a simple 2 bolt bracket and tighten down some AN fittings and your golden. be sure to lube the o ring so you dont tear them. I knocked off one star for the gauge. I would likely use it to setup pressures initially but I dont think i would run it all the time. feels a bit cheap. At this price point im surprised it includes one at all.
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Reviewed in the United States on May 18, 2025 by Champster