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Ven302 · 09-28-2009, 05:38 AM

They might be spoken for, but FYI

The valve sizes are the same as the closed chamber 106 cc square intake & exhaust
casting #3964291
CONV 4
Hi Perf
GM 3T
F10 9
There is also a clock cast in for this head arrow points to 7 o'clock
2nd head 1st 3 lines same as above except
GM 4T
F17 9
On this one the arrow on the clock points to 9 o'clock
These are all the numbers cast in, there are no stamped numbers I can see, these are new replacement heads, they were never on car still unpainted.

09-28-2009, 05:38 AM	#1
Ven302 Member Join Date: Feb 2005 Location: Stoney Creek Posts: 262 Likes: 41 Liked 34 Times in 7 Posts	Re: 291 heads They might be spoken for, but FYI The valve sizes are the same as the closed chamber 106 cc square intake & exhaust casting #3964291 CONV 4 Hi Perf GM 3T F10 9 There is also a clock cast in for this head arrow points to 7 o'clock 2nd head 1st 3 lines same as above except GM 4T F17 9 On this one the arrow on the clock points to 9 o'clock These are all the numbers cast in, there are no stamped numbers I can see, these are new replacement heads, they were never on car still unpainted.