Specs from Civic Si Int-265 mid Exh-267 mid
Specs from GSR Int-274 mid Exh-276 mid
Avg. custom "turbo" cams Int-280 mid Exh-276 mid
Full zoot n/a cam specs Int-295 mid Exh-293 mid

Those just seem to be the average duration amongst manufacturers on the latter two. One can see why most folks go GSR cams for turbo applications unless they are trying to squeeze every last ounce of hp out of it (usually, these are not street driven cars anyway).