06-09-2005, 02:17 PM

DADZZ64

Senior Member

Join Date: Sep 2004

Location: Norwich Ontario Canada

Posts: 113

hey got a chance to score on to a set of 670 heads and from the info i got they are from a 1967 400 std HO Valves 2.11/1.77 72 CC or CR Screw in studs- dual valve springs- D port my question is would these heads work better then the 4x1H heads that are on my 1974 455

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