Ford Racing 302/351W Z-Head aluminum cylinder head cast from A356 T6 features high-flow ports, a 63 cc CNC combustion chamber and substantial intake/exhaust port volumes (204 cc intake/85 cc exhaust as cast). Heads include manganese-bronze valve guides and alloy seats; they are cast for high-flow applications and may require custom headers and competition valve jobs for final assembly.
Ford Racing 302/351W Z-Head Aluminum 63CC w/7mm Valves