Drag Strip tips and advice needed.

'63GT said

Head gaskets are suspect.... I haven't seen a set like that in 35 years.. what are they, McCord?

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They were from 440 source as a kit. Complete Engine Gasket Kit-440 Source not sure the kind. I am looking to replace them with a quality set but I am unfamiliar with the brands and quality. These were .065 inch squeezed to .050 inch.

What brand and type is best for a 512 RB motor?