Edelbrock throttle bore sizes ?
Edelbrock Carburetors
Performer Series .... {500 CFM and 600 CFM}
Thunder Series ....... {500 CFM}
Each have the same Throttle Body Sizes {1 7/16" Primary ~ 1 11/16" Secondary}
[URL="http://static.summitracing.com/global/images/prod/large/EDL-1801_SN.jpg"]
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