Upgrade the cylinder heads in your 2003-2005 Ford 6.0L Powerstroke with HSP’s Powerstroke Products Loaded Stock O-Ring 18mm 6.0L Cylinder Head PP-18mmLOEM-O. Designed with your modified pickup in mind, this cylinder head is built from a brand-new casting. Each casting is then inspected to meet Powerstroke Products’ stringent guidelines. Each head is then assembled with brand-new valves, seals, and springs. A machined o-ring is installed to keep compression in the cylinder, and out of your cooling system. Sold individually.
For 18mm Dowels
Machined For O-Rings
New Valves, Springs, & Seals
1-Year Unlimited Mileage Warranty
Model year ranges are suggested applications.
Please confirm the dowel size on your truck before ordering.
O-Rings do not work with Fel-Pro gaskets.
Not available for sale in the state of California Not available for sale in the state of California.
24 × 12 × 9 in