I have broken a few, I am not reving the motor high ( 6500) I have already spoken to the “ New Indy “ and they no longer make replacements . When I fix the broken stroker crank in the motor I am going with either a Hughes or T&D rocker set up
You might want to contact me before you make that decision. If you are interested in good geometry on an Indy head, it would be well worth your time. Oh, and I won't insult you, or your mother.
P.S. Don't wait until the last minute. Things take more time than usual these days, as I'm sure everyone has noticed.