Answering question for Vacuum Tube - EL34 II, JJ Electronics, Pentode

Product:
Vacuum Tube - EL34 II, JJ Electronics, Pentode

Question:
I am looking to replace tubes in an Apache transmitter that used EL34/6CA7 tubes (2) in a modulator for Amplitude Modulation operation. The originals were made for Heathkit. The important data is not on this site to insure replacements have same operational curves and bias/plate voltage - current - dissipation. Any leads?