Thread: Erson Roller Rockers for Edelbrock Heads
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Old 10-03-2003, 12:21 PM
RobbMc RobbMc is offline
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Default Erson Roller Rockers for Edelbrock Heads
When I designed the Erson roller rockers, the Edelbrock FE heads were just getting started so I designed the rockers to fit standard 390/428 heads. They can be used on Edelbrock and 427 heads but they must be taken apart and shims moved around in order to match the valve spacing of the Edelbrock/427 heads.
Because so many people are now using Erson rockers on Edelbrock heads, we have released a new part number with the rockers already adjusted for Edelbrock/427 heads:

Rockers for Edelbrock/427 heads: E918503
Rockers for standard 390/428 type heads: E918502
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