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neto · 12-31-2011, 07:10 PM

Isn't that a two barrel number 4412 that's used on GMC V6 upgrade. Is the 390 holley a 4 barrel right?

12-31-2011, 07:10 PM	#6
neto Registered User Join Date: Jan 2007 Location: Madera, California Posts: 291	Re: Best place for a 390 holley? Isn't that a two barrel number 4412 that's used on GMC V6 upgrade. Is the 390 holley a 4 barrel right?