Oil filter adaptor gaskets?

Professor Fate said
https://www.detroitmuscletechnologi...l-filter-adapter-gasket-set-package-p5249320/
Most newer headers can run without the adapter, as long as your engine has the oil filter plate on it; but you may be limited to using the short filter.
View attachment 1715990878
The adapter was mostly for clearance with some exhaust manifolds, although it does help with filter access with some headers.

Thanks again Prof and I ordered the set from Detroit Muscle.

My headers are a set from the 80's that I got from a buddy and he thinks they were Doug Thorley's, but not sure. I will mock things up and see how it works, but likely will just use the 90deg adaptor and roll.