BBKPerformance BBK 1706 Fuel Pressure Regulator - Fully Adjustable - CNC Machined Billet Aluminum - Direct Fit for Ford Mustang 5.0 And 302/351 EFI Applications

Work Perfect on my set up

Make sure to check all bolts are tighten before install. I didn't do so and gas started pouring from the middle of the regulator. I had to Uninstall and tighten the bolts then it work perfectly

This works well, especially when used on a set of BBK fuel rails. However, I purchased this one to replace the exact same regulator that suffered a catastrophic failure after only 1,000 miles, so I will have to continue to monitor its performance over time.

I did not like even giving this a 1 star. It is the worst engineering I have ever seen for a high pressure fuel system. It leaked in numerous locations, the adjusting screw was about maxed out just to get to 40psi. I would not let my worst enemy put this on any car. It is a fire waiting to happen. Scroll past and buy something different

I have been using this in my 1993 Mustang since 2010. I am running non-stock fuel rails so I can't speak to mounting it to the standard fuel rail.It regulates the fuel pressure just as it should, it is easy to adjust, and the optional side mounted fuel pressure gauge is perfect.I was able to regulate from 40 to 65 in my system.Just bought my second one this week. Read why below.At 1000 miles the first one failed. Gas started to leak thru the vacuum port. I disassembled it and found a diaphragm composed of two thin layers of rubber had developed a leak.I replaced the entire regulator with the second unit. I disassembled it to compare and found that BBK has changed their design to a single thicker membrane. Time will tell if this is better.I checked BBK's web site and they offer a rebuild kit for about 50.00Given all that, I think three stars is generous.4.29.2019 update. The newer design replacement is still working well. Still happy with the product.

This is a pretty hunk of aluminum and that's about it. I bought this to replace my old one that started leaking. This one leaked fuel out the vacuum port (just like the old one) before I could even adjust the pressure. It would make a nice Christmas ornament, as it is pretty and shiny... but that about all it has going for it. BBK wants 50 bucks for the replacement rubber, which is ridiculous. This was returned for a refund. As always, amazon returns are simple and painless. I bought another vendors regulator since I simply don't trust the BBK ones after this experience.

Looks nice installed BUT, it was several months before I had the time to intall it and run the car. Right out of the box it was bad. Initial FP was 55PSI and I couldn't bring it down without the screw falling out. Replaced it with a much cheaper Kirban unit and it fixed my FP problems. Too late to return the BBK unit now =(

1990 Ford Mustang V8 5.0L......My car had an OEM Ford fuel pressure regulator on it and I wanted to upgrade. The manufacture's installation instructions say "Install the BBK Regulator using stock hardware". I tried to do just that and the bolts do not fit. You can start the threads but the bolts are obviously/visibly too big for the holes on the BBK regulator. I should have done a little more homework online before making this purchase because I found numerous posts from other people who encountered the same problem. While researching that, I also found several posts from people who had problems with this unit leaking. I can't speak to that however because I was never able to install.

Quality piece, easy install, works as intended.Bolts and plug were loose in the packaging, and damaged the nice anodized finish.