Holley 12-803 Fuel Pressure Regulator Reviews

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I installed three holley regulators in front of a silver holley pump.Every one was over 13 psi.The pump dead head pressure was only 15 psi.It would read 13 to 15 and would not change pressure at all.The regulators were more than likely assembled wrong over in KOREA.If i was you i would pull all new units off the shelf.Do a sweep of all of them.I would bet that run of regs had 100%failure.,Im 54 now and have bought your parts for years.That has...
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2.8
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  • I not happy with manufacturer