[Sal Gerace]

It looks like a low riser . The picture here is a C3AE-9425-J Low riser. Low risers had the carb plate designed like this. I am pretty sure that you have this carb plate design under the tape. The H designation is just a run change. Maybe because of a design change or something like that. Even the way your runners are not going down but rather over toward the head indicate a low riser.