Iam building a gsr block aebs sleeves on 84mm pistons eagle rods on agsr head its going to be a full build iam getting the Honda Stage 3 (620 hp) full race turbo kit what kind of head work should i do to it please help..........

 

That question would mostly depend on your funds. If you have the money to spare I would go ahead and do a port and polish, new valves, valve guides, Spring and retainers and some ITR cams. Also look into a Victor X or JG manifold