An Old Timer once told me...

1wild&crazyguy said
ported?

Nope

what do they flow?

Intake valve are 1.78 exhaust are 1.50

.100 IN 76 EX 77
.200 111 113
.300 175 122
.400 201 126
.500 204 128

Don't laugh to hard...
BJR worked them up for me.