AB Linn has the Np200 gasket kits yet as mentioned.
I made my own axle gaskets.
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Get a piece of steel pipe or tubing about 6 inches long with the same diameter that you need, and grind an edge on a grinding wheel. See the sharp end of the pipe in the pic.
Lay the pre-cut gasket on what you want the pattern from, and tap it with a ball peen hammer to make light indents in the gasket material.
Pound out the holes with the pipe.
Scott
'67 M715 '67 M725 '69 M726 (x2)
"it's cheap and you get all you can shove in your pie-hole" --Kozmo 12-10-13