18mm 6.0L Head Loaded HDS Oringed

$1,560.00 Tax

6.0 18mm dowel head with HD Valve Springs and O-Ringed

SKU: PP-18mmLHDVSO Category: Tag:
Description

6.0L Powerstroke Loaded O-Ringed Cylinder Head w/ HD Valve Springs – 18mm Dowels (2003–2005)
Part #: PP-18MMLHDVSO

Build your 2003–2005 Ford 6.0L Powerstroke for performance and durability with the Powerstroke Products Loaded O-Ringed Cylinder Head with Heavy Duty Valve Springs. Designed to handle increased boost and aggressive tuning, this cylinder head features a machined O-ringed combustion surface to keep compression sealed in the cylinder and out of your cooling system—ideal for high-horsepower or towing applications.

Each head begins with a brand-new casting, then is fully assembled with new valves, seals, and 100lb heavy-duty valve springs. The upgraded springs improve valvetrain control under pressure and RPM, helping you get the most out of your modified Powerstroke.

✅ Features:

  • Built for 18mm dowel 6.0L Powerstroke engines

  • Brand-new casting – no remanufactured parts or core required

  • Machined for O-rings – enhanced head gasket sealing under boost

  • Fully assembled with new valves, seals, and HD valve springs

  • Ideal for performance builds, towing, and tuned trucks

  • 1-Year / Unlimited Mileage Warranty

  • Sold individuallyorder 2 for both heads

🔧 Fitment:

  • Fits 2003–2005 Ford F-250, F-350, F-450, and Excursion with 6.0L Powerstroke

  • Model year ranges are suggested—please confirm dowel size before ordering

⚠️ Notes:

  • MLS head gaskets only must be used with O-ringed heads

  • Hot re-torque is required to maintain warranty

  • Head studs sold separately – full selection available

  • Not for sale or use in the state of California

The PP-18MMLHDVSO Loaded O-Ringed Head is a proven solution for serious 6.0L builds demanding stronger sealing, better valvetrain control, and ready-to-install reliability.

Additional information
Weight 75 oz
Dimensions 24129 in
Engine

Engine Size

6.0L

Shipping & Delivery

🚚 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.