Slant six 904 VB in 727

Slant six 904 VB in 727

I took this one out of a SB/904 what is it and is it ok to use? Top 3410925, bottom 3410435 and separator 512. The clock date code looks like 71. Is it part KD and if not should I keep looking? Edit: I think it is PTK because of the extra section. But I really don’t know much about the part KD. I’ll have to check the 727 case for figment. Thanks Craig