cores
... that one type of GM V-8 engine requires five cores per mold to create one casting?
... that one type of <a class="mw-redirect" href="./General_motors" id="mwFqA" rel="mw:WikiLink" title="General motors">GM</a> <a class="mw-redirect mw-disambig" href="./V-8" id="mwFqE" rel="mw:WikiLink" title="V-8">V-8</a> engine requires five <b id="mwFqI"><a href="./Core_(manufacturing)" id="mwFqM" rel="mw:WikiLink" title="Core (manufacturing)">cores</a></b> per <a class="mw-redirect" href="./Mold_(manufacturing)" id="mwFqQ" rel="mw:WikiLink" title="Mold (manufacturing)">mold</a> to create one <a href="./Casting" id="mwFqU" rel="mw:WikiLink" title="Casting">casting</a>?