Probably not, however one should always check geometry changing to another type of Rocker whether it is different ratio or not.

I went with a .050+ pr when I had my crower 1.6rrs installed. For some stupid reason, I thought they were necessary since they were advertized along with the RRs. Anyway, wound up going back to stock length when geometry measurement indicated that the longer rods might be screwing things up. JMHO