Opinions on heads please?

dgc333 said
Well if you are going to nit pick it's .5237333333333333333 which would round off to .524. :)

No, if you are a really anal nitpicker you go to comps website and get the actual lobe lift, which for the XE274H exhaust lobe is 0.327, and multiply it by 1.6 to give you 0.5232. :)

xe274h specs