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james schaechter · 02-13-2011, 11:39 PM

Not sure on the holley, but on the MagnaFuel and Product Engineering ones that I have used, the fittings require an O-Ring to seal up. Worth checking out if you haven't already.

02-13-2011, 11:39 PM	#2
james schaechter VIP Member Join Date: Dec 2004 Location: Cumming GA Posts: 1,991 Likes: 1,290 Liked 1,434 Times in 299 Posts	Re: Holley fuel pressure regulator issue Not sure on the holley, but on the MagnaFuel and Product Engineering ones that I have used, the fittings require an O-Ring to seal up. Worth checking out if you haven't already. __________________ James Schaechter 3163 STK