

18mm 6.0L Head LOADED HDValve springs
$1,184.00 Tax
6.0 18mm Dowel Loaded OEM Head with HD Valve Springs
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.
✅ Features:
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Fits 18mm dowel 6.0L Powerstroke engines
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Brand-new casting – not remanufactured, no core required
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Fully assembled with new valves, seals, and heavy duty valve springs
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Ideal for mild performance upgrades, towing, and turbocharger enhancements
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1-Year / Unlimited Mileage Warranty
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Sold individually
🔧 Fitment:
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Fits 2003–2005 Ford F-250, F-350, F-450, and Excursion with the 6.0L Powerstroke
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Please confirm dowel size before ordering – model year ranges are suggested
⚠️ Notes:
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Hot re-torque is required to maintain warranty
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Head studs sold separately – full selection in stock
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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.
Weight | 75 oz |
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Dimensions | 24129 in |
Engine | |
Engine Size |
6.0L |


🚚 Shipping & Delivery Information
At PowerStroke Products, we are committed to getting your parts to you quickly, safely, and reliably. We partner with trusted carriers to ensure your order arrives on time and in great condition.
📦 Standard Shipping
We ship most of our automotive parts through UPS or FedEx, depending on your location and the size of your order.
Orders are typically processed within 1–2 business days.
Shipping times vary based on your location, but most orders arrive within 2–7 business days after processing.
Tracking information will be provided as soon as your order ships.
🏋️♂️ Freight Shipping
Some of our parts — such as engines, cylinder heads, or items over 150 lbs — require freight shipping.
Freight deliveries are handled via reliable LTL carriers.
You will be contacted to schedule delivery, and a signature may be required upon arrival.
Please ensure you have the appropriate equipment or assistance to receive large or heavy shipments.
📍 Delivery Locations
We currently ship within the continental United States. If you're located in Alaska, Hawaii, or outside the U.S., please contact us before placing your order to explore available shipping options.
❗ Important Notes
We do not ship to P.O. Boxes — please provide a physical shipping address.
Ensure all shipping details are correct at checkout to avoid delays or rerouting fees.
If a package arrives damaged or incomplete, please contact us within 48 hours so we can assist you promptly.