pistons
 

Hi, does the L9H 6.2 have dished or flat top pistons ?
I think with 10:4 comp it would be flat top, but i'm
not sure. would it also have valve reliefs ? trying to
figure out how much cam lift i can fit. I have .556/.568
now, I want to install a set of 1.8 rockers.

Lift has nearly nothing to do with ptv really even on vvt. The l9h has a valve relief for the exhaust valve due to vvt. iirc they are flat top other than the offset reliefs
Most aftermarket vvt cams will have .600 lift but run a different lsa.
Mid .500s wouldnt be an issue.

Lsa
 

The Comp cam that is in now has a 114 LSA 210/224 Dua
the stock cam had a 115 LSA 198/209 Dua. ,500/.500 lift
so do you think i can run the 1.8 rockers with out any
P2V probs ?

If youre gonna run a 1.8 rocker youll want dual springs to control the weight. Otherwise you should not have an issue