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Performance Parts For Sale/Wanted Just Performance, non-stock, trailers, tools and related accessories here. |
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#1
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6X-4 Heads
Had these ready for my previous engine before things changed directions and was able to get a correct year block & heads For my GTO.
6X-4 Heads fresh from the machine shop. New Ferrea intakes, multi-angle, bronze guides, new Comp 995’s. Sold to me as 89cc, but I can cc again to verify. Some mild Intake & exhaust port work as evidenced in pics (I Can try to get better pics showing extent). Dates: B098 & D178 $975 Located in Western NY, can ship if needed. |
#2
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heads
Are the exhaust valves stock size 1.66 or are they 1.77?
Thanks |
#3
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Sorry, I should have mentioned 2.11 / 1.66
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#4
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Price drop from $975 to $900.
Need to order my trans soon and it’s not cheap! Lol |
#5
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Are the valves stock length or are they the longer RA4 length valves. Do you know the installed height?
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Tim Corcoran |
#6
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Quote:
I can get you the installed height measurement but it’ll take me a few days. Although the heads are sitting here ready to ship, 90% of my tools are packed away as we move from one house to the next over the next week or so. Thx Last edited by Entropy11; 08-04-2020 at 05:19 PM. |
#7
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If the valves are stock length then don't bother getting the installed height
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Tim Corcoran |
#8
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Price drop to $800
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#9
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I'm not aware that Ferrea makes stock length valves in the 1-piece stainless (which is what these look like). The 995 spring is designed to be installed at 1.700" which no stock length valve will accommodate, so it's a pretty safe bet that these are longer valves for the taller installed height that will handle upwards of a .600" lift flat tappet cam.
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Just a blind squirrel looking for a nut. |
#10
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Quote:
I really appreciate your info. Thank you. |
#11
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Just pulled the valves today. Valve length: 4.980 Installed Height: 1.68 (No shims)
Make an offer on the whole thing or just the bare heads if you’d rather use your own valves/springs. Maybe somebody would be interested in the valves/springs after the heads go. |
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