yes they are ported ,
it's set up for a roller cam, 715 lift.
,2.08/1.60 ferrea competition plus stainless steel valves 30 Degree back cut on the intake valves.flow #
int. / ex
.200"--145/120
.300"--209/170
.400"--260/217
.450"--282/233
.500"--302/245
.550"--316/253
.600"--332/256
.650"--334/258
.700"--335/261
