Originally Posted by
SafeChav
You may find its damaged the bores they sit in then. when they are that bad the best way is to slide the cam and drop them in and out through the cam hole to avoid damaging anything

It did score the hole. its just spare head I took of a second hand engine before block rebiuld. just sitting under my bench at work now. might use it as a door stop or somthing in the future!