they have 2.08/1.60 valves
58cc combustion chambers
fresh 3 angle valve job
7/16" rocker studs
1.55" solid roller springs, but may need to be replaced basd upon your cam. seat pressures were differing between 160# and 210#.
i just spent $368 to have six bent valves replaced, and the o-ring grooves milled off. these heads have 0 miles since recent work was done. i have a flow sheet stating these flowed 318/230 @ .700" lift. but im not sure what they flow now after the valve job was done.
i can email some pics, if you leave your email.
$1200 shipped in the US. postal money order only please.