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Z-304
WDZ
That is what it appears we will do as the valves used in these heads are what are called Chevy 400 valves and have a long shaft length, making replacements in smaller diameters hard to find. The problem is they will now flow less than the AFR 185's I have in my other coupe. I wanted this set to be better than what I all ready have, it appears that will not be the case.
Bill K
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