Description
Built around the requirements of 1999-2012 Ford V8 4.6L/281 5.4/330, this Race Series intake valve family gives engine builders a focused way to select the dimensions their cylinder-head combination calls for. Use the exact Manley part number shown below to distinguish this product from similar valves offered for the same or related engine family.
The correct 1999-2012 Ford V8 4.6L/281 5.4/330 valve is the one that matches the finished head. Stem clearance, seat contact, installed height, spring package, and keeper location should all be checked during assembly.
Key Product Details
- Application: 1999-2012 Ford V8 4.6L/281 5.4/330
- Manley Series: Race Series
- Valve Position: Intake
- Product Family Detail: Race Series application focus
- Manufacturer Part Number: 11640-8
Package Quantity
Set of 8 valves. The selected configuration is supplied as a 8-piece valve package. This quantity applies to the selected Manley SKU family shown on this product page.
Selection & Fitment Notes
Use the finished cylinder-head setup as the authority for selection. Oversize valves or alternate lengths may require machining and can affect installed height and valvetrain geometry.
Professional engine assembly and measurement are recommended. Product specifications should be confirmed against the selected Manley part number and the requirements of the exact engine build.