trying to figure out what I have. On the end of the cam
r #290-340
r 3294-340
#5474

 

Might try contacting here....

http://pbmperformance.com/store.php?catId=327

 

just guessing that it is a custom grind using 290/294 advertised duration with .340 lobe lift (.510 valve lift with 1.5 rocker) on both.

Duration @ .050 could be anywhere from 220 to 240.

Probably have to call Erson and give them those #'s to know for sure.

Lloyd