These Heads are bare
1.94 intake valves
1.56 exhause valves

these heads out flow GTP, AFR 180 and 195, and other common cnc'd heads on the intake and exhaust side from .100-.400 lift.
from .500-.600 lift the cnc'd heads flow more.

My heads flowed these numbers on a superflow
(w/ a manifold on)

I E
.100 71 78
.200 143 126
.300 196 160
.400 232 176
.500 241 185
.550 241 185
.600 *** ***

These heads on LE's flow bench whould probly flow 271 ish at 600. This flow bench allways flowed heads low. THE ONLY REASON IM SELLLING THESE IS I BOUGHT A LS1 Car!!!!
800$ shiped with retinarers and locks