Cylinder head nuts

[Barry Schwartz <bschwart@pacbell.net>]

Anybody know if the cylinder head nuts for the Spitfire are 3/8 thick
3/3-24 hex nuts - I hate to pay almost $2.00 for a head nut if I can get a
whole box of grade 8 hex nuts from McMaster Carr that would be the same thing?

Thanks-
Barry Schwartz (San Diego)
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