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The AEM 25-300BK is a high-volume, adjustable fuel pressure regulator crafted from durable aluminum, designed specifically for Honda and Acura vehicles spanning 1986 to 2000. It supports fuel pressures from 20 PSI up to the maximum capacity of your fuel pump, making it ideal for engines up to 1000 horsepower. Featuring patented interchangeable discharge ports and custom fittings, it offers precise fuel management and easy installation, ensuring reliable performance for serious enthusiasts.
| ASIN | B002YXCT3W |
| Auto Part Position | Inside |
| Automotive Fit Type | Vehicle Specific Fit |
| Body Material | Aluminum |
| Brand | AEM |
| Brand Name | AEM |
| Compatible with Vehicle Type | Car |
| Connector Type | ON |
| Customer Reviews | 4.3 out of 5 stars 209 Reviews |
| Fit Type | Vehicle Specific Fit |
| Fit type | Vehicle Specific Fit |
| Gas Type | Gasoline |
| Global Trade Identification Number | 00840879019860 |
| Inlet Connection Size | 0.38 Inches |
| Inlet Connection Type | Threaded |
| Item Weight | 0.25 Kilograms |
| Item weight | 0.25 Kilograms |
| Manufacturer | AEM |
| Manufacturer Part Number | 25-300BK |
| Material | Aluminum |
| Material Type | Aluminum |
| Model Number | 25-300BK |
| Mounting Type | Rail Mount |
| OEM Equivalent Part Number | 25-300BK |
| Operation Mode | Mechanical |
| Outlet Connection Size | 0.25 Inches |
| Outlet Connection Type | AN |
| Part Interchange Info | 25-300BK |
| Product Grade | New |
| Product Style | Custom |
| Specification Met | OE |
| Style | Custom |
| UPC | 840879019860 |
| Unit Count | 1 Count |
| Vehicle service type | Car |
S**T
Great Product. Worth the money.
This AEM fuel pressure regulator worked perfectly for my Integra with a B20b swap. I tried the cheaper alternative first from DNA-motoring. The adjustments were very touchy. And the diaphragm failed after only a couple months of regular driving. Leaving me stranded on the side of the road with an engine flooded with gasoline. But this fuel pressure regulator is way better. Better build quality. Better fine tune adjustment. And it has parts that can be replaced if they fail. Unlike the cheaper knock-off products. Bottom line : if you need an adjustable fuel pressure regulator for your Honda/Acura, save yourself the headache of buying cheaper alternatives and learning the hard way. This product is worth every penny. Even though it seems kinda pricey.
C**L
Caution: Fire Hazard
This FPR is trash. I’m on my third one and they’ve all started to leak within a few weeks. I’d rather not turn my car into a rolling ball of flames AEM. I’m very disappointed in this product. I expect better.
M**N
The only good one
Tried many other brands and got leaks, improperly seated diaphragms and some leaking from vacuum side. This one was great. Installed and fired right up.
C**N
Works good
Works well easy install
C**A
Not worth it, very poor quality, basicly a $120 paperweight with a cool AEM sticker in the box
#1 fittings on the return line leaking apon initial install, needed to RTV it and over tighten it to get it to stop leaking #2 within 3 months of initial install the bowl on the diaphragm started leaking fuel, needed to RTV it to get it to stop leaking #3 within 3 months, 2 weeks of initial install the diaphragm popped inside, causing motor to stall & flood with gas, hydro-locking 2 cylinders and contaminating oil. Avoid this model if possible. big waste of my time. 0 stars
Trustpilot
3 weeks ago
2 weeks ago