Edelbrock 1406 carb w/ elec choke

Up for sale is a 1406 edelbrock vacuum secondary 600 cfm carb with electric choke. Includes chrome fuel inlet with filter, 2 spare inlet banjo fittings and a carburator calibration kit (1487). I just don't know how to tune these carbs! Will not separate. Thanks for the interest FABO.

$135 + shipping from 20723 (Maryland). Local pick up OK.