Ford Racing's premium roller rocker arm utilize high quality materials for a lightweight durable valve action. The roller rocker arms by Ford Racing feature the following:
- Strong and lightweight aluminum construction
- Carefully machined to exacting tolerances
- Quality needle bearings for low friction high performance durability
- 1.6:1 ratio
- Stud mount for inline valves
- Requires 7/16" stud, push rod guide plates & hardened push rods. Cast iron cylinder heads require pedestal machining.
- Fits 289/302/351W and Ford Racing Z304 Aluminum Cylinder Heads. (For Z304D cylinder heads use M-6564-F351)
