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Show your support with a Thoroughbred Diesel t-shirt, sweatshirt, or sticker decal.
Thoroughbred Sku #: PSPPP-18MMLHDVS Manufacturer Sku #: PP-18mmLHDVS
Year/Make/Model: {{year}} {{make.Name}} {{model.Name}} Edit
$1,231.36
2003 - 2005 Ford Excursion
2003 - 2005 Ford F450
2003 - 2006 Ford F250
2003 - 2006 Ford F350
Product Name: Powerstroke Products 18mm Head LOADED HDValve springs Manufacturer: Powerstroke Products Manufacturer Part #: PSPPP-18MMLHDVS Thoroughbred Diesel Part #: PP-18MMLHDVS Fitment Notes: 2003-2005 Ford F-250/F-350/F-450 | Excursion 6.0L Powerstroke
6.0L Powerstroke Loaded Cylinder Head w/ HD Valve Springs – 18mm Dowels (2003–2005)Part #: PP-18MMLHDVS
Upgrade your 2003–2005 Ford 6.0L Powerstroke with the Powerstroke Products Loaded Cylinder Head featuring heavy duty valve springs for enhanced valvetrain control. Built from a brand-new casting (no core required), this head is fully assembled with new valves, seals, and HD valve springs, making it the perfect solution for trucks running upgraded turbochargers, mild tuning, or higher RPM.
The HD springs provide improved valve control under boost and drive pressure, helping reduce valve float and increasing overall power potential. This head is ready to install out of the box and backed by a 1-Year / Unlimited Mileage Warranty.
Fits 18mm dowel 6.0L Powerstroke engines
Brand-new casting – not remanufactured, no core required
Fully assembled with new valves, seals, and heavy duty valve springs
Ideal for mild performance upgrades, towing, and turbocharger enhancements
1-Year / Unlimited Mileage Warranty
Sold individually
Fits 2003–2005 Ford F-250, F-350, F-450, and Excursion with the 6.0L Powerstroke
Please confirm dowel size before ordering – model year ranges are suggested
Hot re-torque is required to maintain warranty
Head studs sold separately – full selection in stock
Not for sale or use in the state of California
The PP-18MMLHDVS Loaded Cylinder Head is the perfect balance of OEM reliability and HD performance for your 6.0L Powerstroke build.