I bought a set of big block Erson ductile iron rockers from a Moparts member, but I can't find them anywhere online. I assume they've been discontinued. Does anyone know what size rocker shafts I'm supposed to use with these? Will the standard crane shafts for their ductile iron rockers work?

Last edited by GTX MATT; 04/10/11 01:13 AM.

Now I need to pin those needles, got to feel that heat
Hear my motor screamin while I'm tearin up the street