340 T/A head identification
Mopar High-Performance Replacement Cylinder Heads
'Back-in-the-Day' ~ They did offer the following >
* 340 'High Performance'
* 340 T/A
* 440 CHP {1967 440 HP} > These Heads were pre-milled {.030"}
I'll see if I can dig up the Part and Casting #'s.