273 Head Gaskets

I did a little measuring. Give me a bit and I will slide one on a 920 head and see what it looks like. The measurements are close estimates each bore was a bit different. I see the smallest bor of the ones available through Summit are 4.040.

A = 3.815
B = 3.975

273 head gasket.jpg2 A3.815 B3.975.jpg