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Small Block
Roller Rocker Arm1.70 Ratio 5/16" Adjustable Pushrod Cup Bolt-On Valve Type: Inline 16/pkg
Fits Heads: 302/351W (1978 and later with production heads) GT-40 (Cast Iron & Aluminum)
Fits Heads:
- Adjustable "bolt on" style rockers, uses adjustable pushrod style cups to allow for solid lifters or anti-pump-up lifters. These rocker arms have beefy trunnions for extra long life. Die cast aluminum construction.
- 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 M-6582-LE302BK or similar valve covers will clear all rocker arms and stud girdles, but will not fit under the EFI manifold unless a 1" spacer M-9486-A53 is used between the upper and lower sections of the intake.
- Rocker channels not included.
Part TypeRocker Arm
BrandFORD PERFORMANCE
Package Height4.0
Package Width4.5
Package Length13.0
Weight8.75 PG
Part CategoryPerformance Parts
Stud Size OEM
Ratio1.7
Engine Make/SizeFord 289-351W
Vendor Part NumberM-6564-A50C
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
