The Fleece Performance Remanufactured Cylinder Head for 2007.5-2018 Dodge 6.7L Cummins engines is a precision-rebuilt component designed for street performance applications. Each head undergoes multi-stage resurfacing, valve job certification, and pressure testing. Features updated valve seats, bronze valve guides, and ARP head studs compatibility. Engineered to withstand increased boost pressure and higher horsepower applications.

Technical Specifications:

1. Material: Cast Iron with upgraded valve seats
2. Deck Thickness: Factory spec +/- .001"
3. Surface Finish: 30 Ra maximum
4. Pressure Testing: 100 PSI verified
5. Valve Seats: Upgraded SS alloy
6. Guide Material: Manganese bronze
7. Thread Repair: HeliCoil installation where needed

Performance Ratings:

• Maximum Boost: 65 PSI capability
• Horsepower Rating: Up to 800 HP
• Compression Testing: 220-240 PSI per cylinder
• Valve Spring Pressure: 140 lbs @ installed height
• Fire Ring Compatibility: Yes
• Head Gasket Surface: Multi-angle cut

Remanufacturing Process:

• Complete disassembly and cleaning
• Magnetic particle inspection
• Pressure decay testing
• Three-angle valve job
• Surface machining
• Guide and seat replacement
• Assembly with new components
• Final quality inspection

Installation Requirements:

• Torque Specs:
  • Main: 125 ft-lbs
  • Step 1: 40 ft-lbs
  • Step 2: 80 ft-lbs
  • Final: 125 ft-lbs
• Required Tools:
  • Torque wrench
  • Angle gauge
  • Thread chaser
  • Surface prep tools

Components Included:

• Complete valve assembly
• New valve springs
• New valve seals
• New valve keepers
• New head bolts
• Head gasket
• Installation manual