PSP 18MM 6.0L O-Ring HD Springs

The Powerstroke Products 18mm 6.0L O-Ring Cylinder Head With HD Springs PP-18mmLHDVSO is the perfect option for the performance built 2003-2005 Ford 6.0L Powerstroke. Powerstroke Products Cylinder Heads are built to last! Starting off as a brand new casting each head is inspected for quality and then built with brand new valves, seals, and springs. This loaded cylinder head includes heavy duty valve springs. This gives you more control over your valvetrain giving you more usable power. The machined o-ring is installed to keep compression in the cylinder, and out of your cooling system. Sold individually. FEATURES: Loaded Head For 18mm Dowels Machined For O-Rings New Valves, HD Springs & Seals 1-Year Unlimited Mileage Warranty Application Notes: Model year ranges are suggested applications. Please confrim 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. Click here to read Emissions Notice.