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Product Discontinued
FORD PERFORMANCEPART NUMBER: 397-M-6564-ES51
Roller Rocker Arm 302/351W 1978 and Up Production Cylinder Haeds and GT40 Cylinder Heads
Currently Unavailable
This product is no longer available. Please call customer service for assistance at 1-800-345-4545.
- Roller Rocker Arm
- 302/351W 1978 and Up Production Cylinder Haeds and GT40 Cylinder Heads
- 1.70 Ratio
- Bolt On
- Inline Valves
- 2/pkg
For stock production cast iron cylinder heads with hydraulic non-adjustable valve train. Does not require guide plates, hardened push rods or pedestal machining. Includes pedestal inserts & bolts. The 397-M-6564-ES51 bolt-on roller rocker arms will not clear the stamped rocker cover on standard 5.0L EFI engines. "Taller" valve covers, such as the production 5.0L EFI HO die-cast aluminum cover or Ford Racing chrome cover M-6582-D302, can be used if the baffle is modified in the RH cover. The 397-M-6582-E302 polished aluminum valve cover will clear all rocker arms and stud girdles, but will not fit under the EFI manifold unless a 1" spacer 397-M-9486-A53 is used between the upper and lower sections of the intake. 397-M-6582-E302 will not fit 1994-95 Mustang or 1990-93 T-Bird. Rocker channels not included.
BrandFORD PERFORMANCE
Package Height2.4
Package Width2.4
Package Length7.9
Weight0.55 PG
Part CategoryPerformance Parts
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
