yes i have them i think the r head does really good but to get them to flow decent you got to pay big buck, alittle more and the
glidden or other heads out there would be a better choice and make more hp
i've never really heard of fast nitrous cars running then, i mean like
are you the one asking about less weight to run teens?
can you pm me some info on your combo like cam, head specs
if you don't mind i know there are alot of grudge racers here
and i'm one of them