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4.6L/5.4L RH 3V CYLINDER HEAD
- Production 3V cylinder head
- Finished machined casting with guides and seats installed.
- Ready for assembly.
- Use head changing kit M-6067-3V46.
- Direct replacement for 2008-2010 Mustangs with 12MM spark plugs
- Heads will fit early cars originally equipped with "High thread" design spark plugs. Requires spark plug and M-12029-3V ignition coil update
Note: Engines with late style 12MM spark plugs can be identified by coil engineering number 8L3E Engines with early style 16mm "High Thread" design spark plugs can be identified by coil engineering number 3L3E part number