One of you guys should let me send a set of 440-1 CNC 325's to get the chambers smoothed out and valves unshrouded for a 4.500 bore, longer valves and springs installed and a decent valve job and see how they flow. As they come from Indy they are junk IMO and not ready for 0.700 lift.
The only set that I've tested wasn't to bad. I wasn't happy with the way they were set up and we made some improvements in spring locators, retainers and locks. They came to me used and we did a valve job. If you are changing to a longer valve, go to a larger head also. These came with a 2.19 intake and the 2.25 should help.
Lift...............as received...............w/valve job
.100.................66/60......................76/64
.200...............141/114...................156/124
.300...............212/163...................221/173
.400...............267/207...................272/214
.500...............309/241...................308/249
.600...............347/267...................346/275
.700...............360/285...................361/295
.800...............369/294...................375/312
Really, that's not to bad. Just by looking at them there were some improvements that could be made with some more porting, but we weren't authorized and the engine didn't need it for the purpose intended.