2003-2007 Powerstroke Black Diamond Headgasket

Confirm the proper dowel sizing on your rig: 18mm dowels are found on 2003-2006 (up to Jan 11th) & 20mm dowels are found on trucks manufactured Jan 12th 2006 and up.

Part Number: 54450A & 54579A

• Premium Headgasket Replacement
• Multi Layered Steel for improved sealing and decreases friction
• Includes 2 Cylinder Head Dowel Pins

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  Is this both or one side

  This is a single, you would need to order 2.