I believe an obvious answer, but just want to clarify. As long as the gasket holes match those in the block and the periphery is sealed then will either gasket pictured below be compatible with this filter head?
My block is a C8610/1, the filter head is not original to the block.
Thanks, Alan
Yes, in your picture the upper right cavity is in line with a hole in the block that passes through the oil gallery and into the center main bearing, so your cavity is sort of a blind alley.
The lower right hole is the supply from the pump to the outside of the filter.
The upper center hole is where the filtered oil comes out of the center of the filter and goes into the main oil gallery.
The pump puts out more oil than the bearings can take, so the pressure valve opens.
The cavity on the left is where excess oil gets dumped back into the sump.
Rob,
What I think is “annoying” is that when you order a complete gasket set for your XK 120/140 engine, you get a variety of oil-filter gaskets with it (up to 10 different versions, at least here in Europe) and you have to select the correct one yourself.
I use the same approach as you do, with the oil filter together with the holes in the block as the correct template. I still have a stock of about 20 “incorrect” oil filter gaskets left, of which I don’t know for which engine type they are…
Bob K.
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Only Jaguar would know , why I block with all the same oil way’s , yet so many diffrent oil filter housings 
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Ian,
So I’m not the only one with this gasket problem…
Bob K.
It’s not a problem if you know what the Oil filter housing is off , but there is just as many housings as there are gaskets , can be a mine field !