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Thoroughbred Sku #: PSPPP-18MMRACEHEAD Manufacturer Sku #: PP-18mmRace head
Year/Make/Model: {{year}} {{make.Name}} {{model.Name}} Edit
$1,685.00
2003 - 2005 Ford Excursion
2003 - 2005 Ford F450
2003 - 2006 Ford F250
2003 - 2006 Ford F350
Product Name: Powerstroke Products Performance Head 18mm With performance springs and O-ringing Manufacturer: Powerstroke Products Manufacturer Part #: PSPPP-18MMRACEHEAD Thoroughbred Diesel Part #: PP-18MMRACEHEAD Fitment Notes: 2003-2005 Ford F-250/F-350/F-450 | Excursion 6.0L Powerstroke
6.0L Powerstroke Performance O-Ringed Cylinder Head – 18mm Dowels (2003–2005)Part #: PP-18MMRACEHEAD
Unleash the true performance potential of your 2003–2005 Ford 6.0L Powerstroke with the Powerstroke Products Performance O-Ringed Cylinder Head. Built for drag racing, sled pulling, and high-performance street builds, this head flows an impressive 200 CFM and can support up to 1600 horsepower in the right setup.
This head features 18mm dowel compatibility, a machined O-ring sealing surface for superior head gasket retention, and comes fully assembled with new performance valve springs, valves, and seals. No core required—just bolt it on and get to work.
Fits 18mm dowel 6.0L Powerstroke engines
Fully ported design – flows 200 CFM
Supports up to 1600 horsepower with proper setup
Machined O-ringed surface for maximum sealing under high boost
Includes new valves, performance valve springs, and seals
1-Year / Unlimited Mileage Warranty
Sold individually
Fits 2003–2005 Ford F-250, F-350, F-450, and Excursion with the 6.0L Powerstroke
Recommended for drag racing, sled pulling, and high-performance street builds
Please confirm dowel size before ordering
Use MLS head gasket only with O-ringed heads
Hot re-torque required to maintain warranty
Head studs strongly recommended – available and in stock
Not available for sale or use in the state of California
If you’re serious about performance, the PP-18MMRACEHEAD Performance O-Ringed Cylinder Head delivers the airflow, strength, and sealing needed for extreme builds.