roller rockers arent worth the gain.
i ran modded 1.9s on stock springs forever and would recommend that if youre going the rocker route.
I wouldn't recommend something because some have done it "without ever having issues."
First off, don't half ass quote me, I said many. You don't realize that rockers aren't a big deal. Without a cam in addition to rockers lift isn't changing much at all.
You aren't getting .080" extra lift by switching to 1.8 RR's.