Adjustable fuel pressure regulator?? w/ pics - Third Generation F

TPI - Adjustable fuel pressure regulator?? w/ pics - I bought an adjustable fuel pressure regulator and new injectors, I put it on my TPI set up yesterday. My question is, How do you gain access to it to adjust the pressure once you have the plenum back on?? 398174398175

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1 X Adjustable Fuel Pressure Regulator. Capable of regulating any fuel pump between 100 and 250 GPH.

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