Review on Holley 12 845 Adjustable Pressure Regulator by David Carter

This is a solid piece. It's larger than I expected and although it's made of aluminum, it does support some weight. So the build quality is damn solid. I haven't installed it yet, but since it's big, it will need a lot of space to install. So keep that in mind. In terms of its use, it's basically (and rightly so) meant to be discontinued and forgotten. You will need a sensor to install if you are not happy with the default setting. In my opinion it needs a sensor so I can't give it five stars. He should go with one if you ask me. I've been using it to tune the MFI pump in my '85 Trans Am's tank since I switched to a carburetor. So far, so good. In terms of build quality, I don't expect any issues in the future.