ProMaxx Performance DX Series Ford 6.0L Diesel Aluminum Cylinder Head

Features:

• Airflow increases of 25 percent on intake and exhaust resulting in more power!
• CNC ported versions for even more airflow and power!
• Multi-angle valve job
• Injector cups with solid behind
• Hardened valve seats and guides
• Strongest injector hold-down boss available
• 42 lbs. lighter per head
• Over 12 months of real-world testing
• Ultra-smooth 356-T6 aluminum - same as our proven racing heads
• May be used in 20 mm dowel (2006-2007) applications with slight modifications
• Machined and Assembled in the USA
• Sold Individually