ProMaxx FOR85XN Replacement Cylinder Head For 2003-2006 Ford 6.0L Complete with Valvetrain
**Before Checkout Be Sure To Choose 18mm or 20mm Dowels!**
** IF You Are Unsure Of What Your Build Date Is Use The Link Below To Find The Build Date Of Your Vehicle. **
Ford Build Date Link
The ProMaxx Performance Cylinder Heads are high quality replacements for your 2003-2007 Ford 6.0L Powerstroke. Built with thicker castings in crack prone areas, these heads undergo extensive testing and quality control to ensure that you receive the best product possible.
ProMaxx performs the following tests and procedures: All fuel rails are drilled and checked, All heads are push rod clearanced, glow plugs and injectors are test fit, all recession depths are checked, all heads are pressure tested, all holes are tapped including glow plug threads and each head gets an i-nhouse valve job.
Sold individually as a complete cylinder head with valves, valve seals, springs, retainers and locks, these new castings are sold without a core charge and come ready to install.
- New Castings Are Thicker Than OEM
- Improved Casting In "Problem Areas"
- New Castings Have Hardened Seats
- True Press In Guides
- New Components: Springs, Valves, Retainers, Locks, Ect.
- Heads Come Ready To Bolt On With Installed Injector Cups
- Available For 18MM & 20MM Dowels
- NO CORE CHARGE!
- FREE GROUND SHIPPING!
18MM - FOR850N
20MM - FOR851N
- 18mm Alignment Dowels (Early) - For models built before September 30th, 2003. This kit includes a screw-in style stand pipe. These models will have the ICP Sensor on the HPOP cover.
- 18mm Alignment Dowels - For models built September 30th, 2003 - January 11th, 2006. The ICP sensor is located on passenger side valve cover above the glow plug control module.
- 20mm Alignment Dowels - Manufactured January 12th, 2006 & newer.