D15 II head gaskets

I was disappointed when I ordered 3 Mahle head gaskets for B/CA tractors last month. They came in and were same as reliance with 'made in china' sticker on the plastic sleeve, even though they were in Mahle cardboard packaging.

I can't sell them cause I don't know if they will function correctly...

Tracy Martin TN wrote: Very few manufacture head gaskets, especially with fire rings. The dies required to do this run zero clearance on punches and die blocks. The material is very abrasive . Built many for Detroit Gasket.HTH Tracy

Perhaps you should resume making them for Allis engines? You could be the exclusive provider!

not sure??
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Option D.

As noted on the original post, I have two different NOS Victor gaskets, no fire ring.

How would a guy add a fire ring to those gaskets? What is involved......how is it done?

Time for an update. As has been noted in this thread, there appears to be two valid NOS gasket numbers. One is a Victor 3145. I was mistaken thinking what we had put on was a Fel-Pro. It was the 3145 and it fit and worked well.

Second valid number appears to be Fel-Pro 7914. Both Victor and Fel-Pro gaskets heavy built and both have fire rings.

BUT.....they are not the same. Hole patterns are different. Hoping somebody can explain why.

So here are the two hole patterns:

Gasket on left is actually a Victor 3332 (no fire rings) but is same hole pattern as 3145. Gasket on right is the 7914. Note on upper right corner is an extra hole. Not only that, but the three holes for coolant are different sizes on the Victor (and almost all others) but are large and same size on Fel-Pro 7914.

So on the extra hole, there is no corresponding hole in the block, but there is in the head. Why is that?

And on the variable sized coolant holes, the holes in the head and block are all the same size (same as Fel-Pro 7914, but on Victor gasket, they are three different sizes? Why is that? One theory is holes get larger from front to back.....so small hole closest to water pump allows limited flow, getting larger as you move aft.....doing so means coolant water is forced to back of engine vs. taking first exit it comes to (first large hole to front of engine). As noted on photos below, holes in both block and head are large, holes in gasket smaller and restrictive.  No clue why.

Given all this, which gasket is MOST correct?

Must be an optical illusion. When placed one on top of the other, same size. Differ only in hole patterns.

Picture of gasket on Reliance website, similar to the one on the right (Fel-Pro). Most others on Amazon, ebay, etc are like Victor, with small holes, missing hole.

Still trying to understand why the head has a hole, but block doesn't. One gasket blocks it off at the head (Victor), the Fel-Pro put a hole in gasket, but that is a dead end, going only as far as thickness of gasket.

But apparently both work. Just strange to see them side by side like that and have them different.