Quote:
Originally posted by CJ428CJ
I'm in the process of swapping some stock adjustable rocker arms for a set of Erson roller rockers. I'm also running the Edelbrock heads so I'm under the impression I need the Erson shim kit E913020 to get the roller tips to line up with the valve ends properly.
Chris
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UPDATE: It's been a few years since CJ428CJ posted that question. For those who don't know, the Erson Rocker design was modified so that a shim kit is no longer needed for 427 heads or Edelbrock heads. The rockers come set up for standard 390/428 heads but are designed so that the customer can move shims around (shims that are already on the shafts) and line the rockers up with 427 or Edelbrock heads.