hi i post for a freind,he buy a stage 11 on center engine and the head is port by champion that have 2" hole but the intake have 2 1/4 hole like the gascket......he what to know what is the best ,port bigger the head or put some epoxy on hte intake to matck the head......i buy the engine from harper but harper look like thay dont know what is the best to do it
and also i try to buy atr on center headers 4 bolt if somebody have this for sale thanks bob 

