So the Supertec Performance Head Studs have a slightly larger shank diameter than stock head studs, and this would cause interference with the head gaskets.....
After much careful measurement and thought, the offending material was removed in the 4 spots of concern.
My friend Ted the machinist didn't have a rotary table for his mill, so had to get creative indexing the locations. He used a micro boring bar in the lathe to shave down each spot.
All 6 gaskets were cut at the same time in the nice fixture he made.
I am 100% sure that these head gaskets are more expensive than stock.
