Completely blueprinted/rebuilt holley street avenger, 670 cfm, model 80670. Every spec on this carb has been checked and re-checked. Every surface on the main body 'milled' to ensure they are perfectly flat. All other surfaces checked. Comes with a complete -6AN russell fuel line kit with pressure guage and all the secondary springs for tuning. A total of about $500 NOT including labor. You can have it just as seen below for $250 plus shipping.