Hughes cam?

Rat Bastid said

Or the Comp MM lobe series. Howard’s has some very fast stuff too.

No doubt that today the .904 lobes you can get are quicker than the .904 lobes of the 1970’s and 1980’s.

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And engine lube oils are better today.
And better valve spring technology like beehive and conical are available today.
So the tools are out there take advantage of faster ramping solid lifter cams.