Punch Out Performance New 6.4L Cryo Treated Rockers

Rocker arm assembly for the 6.4L engine. This includes 16 rocker arms, 8 intake and 8 exhaust. All the rockers and pedestals to do an entire motor. These are a common wear item for the 6.4L.

These are the new updated Ford OEM rockers. They are then cryo treated for superior strength and durability.

BENEFITS

• Increase resistance to abrasive wear
  
• Changes the entire grain structure of the metal, not just the surfaces
  
• Increases durability and wear life
  
• Decreases brittleness
  
• Increases tensile strength, toughness, and stability
  
• Relaxes internal stresses
• THESE DO HAVE 2 WEEK BUILD TO ORDER LEAD TIME.