Pair of barely used Mummert pocket ported and valves job heads. Approx 1500 miles 
Intake valves 2.020 Exhaust vale’s 1.060
intake port approx 1.312 x1.225 Exhaust port approx 1.975 x 1.295 

Selling because just received Johns Alloy Heads

PF, if the "G" heads are posted, they can be safely milled more than .025. If you go to eatonbalancing.com, you'll find that Ted built a customer's engine, the heads of which had been milled .080. 

If John Mummert machined and assembled the heads, why would you question their integrity? 

"G" head combustion chambers are a "nominal" 69cc. Tim Mcmaster says .005 = 1cc; however, Ted says .006 = 1cc. The only way to know for certain is by ccing the combustion chambers, and it's very likely that not all 8 chambers will be exactly the same. 

If you can commit all of the specifics to memory, you're doing better than most of us.