I bought a pair of the 190 CNC heads on Black Friday. Speedmaster doesn't publish flow data for them and I couldn't find any online. Since I was having a local shop look them over, I had one flowed.
Superflow 600 @28"
Lift In Ex
.100 66 56
.200 128 90
.300 188 126
.400 225 150
.500 252 168
.600 267 182
.700 279 192
.800 285 198
