Holley Fuel Pressure Regulator
(1-4lbs)
The regulator's job is to keep the pressure in the fuel system at a constant psi (Weber carbs work best in the 2.5-3psi range). Your fuel pressure regulator controls the amount and speed at which fuel is used by your vehicle. A faulty fuel pressure regulator can cause poor fuel mileage, rough running engine or starting problems. This is a simple way to keep your fuel system running right.
NOTE: You need this regulator If you're running the Weber electric fuel pump, see Part #: 1035046. If your application is a boosted blow thru carburetor setup, see Part #: 1035059. For the kit containing this regulator and a fuel pressure gauge, see Part #: 1035064.
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Question: What is the max inlet pressure?
Answer: 7 PSI
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Good news and bad news
The good news is that the regulator does exactly what I needed it for .... holds the peak pressure under 3 psi. to my S.U. carburetors The bad news is that the mounting holes were drilled but not tapped. Luckily I had a 12-24 tap. Shipping was quick and LCE kept me informed about the status. I would buy from them again.