They were modified as I brought it from a championship race car that was running 185bhp at 8500rpm hence knowing what it was capable off
When I got it it had dropped a valve so Wayne re-cc'd it and brought the compression down from 13.1 to 11.4 and rebuilt it all and tuned it.
It did snap a brand new solid lifter when the new owner brought it and new mans gave him a complete brand new set as they believed it was impossible
I did talk to him when I sold it about roller rockers but so far not needed