- A356 T-6 aluminum casting
- Intake side
- Exhaust side
- Rocker area
- Deck
- Both ends
- Spark plug holes machined
- Head bolt/stud holes machined
- Exhaust flange bolt holes machined
- No valve guide machining
- No valve seat machining
- No rocker fastener holes machined
- Valve guides NOT included
- Valve seats NOT included
