Rocker arm assembly for the 6.4L engine. This includes 16 rocker arms, 8 intake and 8 exhaust. All the rockers and pedestal’s to do a 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
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