gsr
i got if u goign to do that dont use a ls block ......... no point full gsr..
but if u want u could do wut i have in my car gsr head and a b20 block than ya . but i would go with full gsr swap ..
GSR (gsr head/ gsr block)
LS/VTEC (gsr head/ ls block)
LS (ls head/ ls block)