Here are some more FYI facts about these castings that im sure might be asked sooner or later, its regarding weights of the various items:
Water Jacket 8 Port head: 23 lbs.
Water Jacket 12 Port head: 37 lbs.
Solid 12 Port head: 48 lbs.
8 Port Aluminum 4 Cylinder Race block: 63 lbs.
