Holley power valve identification
I have a Holley 4779-6, 750 cfm that I cannot find the number that identifies the power valve. I looked all over with a magnifying glass and the only numbers I found were a 4, 5 and 6 stamped in different quadrants on the brass disc just under the hex that you use to remove the valve. Could this be an aftermarket valve and not a Holley part?
69 SS, 350/300 h.p., M-20, 12 bolt, matching numbers.
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