This Holley carb is not mine but I came across it on the local Craigslist. The seller appears to knowledgable as he recommends Drew P for the rebuild. And scores bonus points for listing the numbers on the metering blocks so the buyer is informed.
https://cosprings.craigslist.org/pts/d/colorado-springs-1968-ford-shelby/7694898573.html
https://cosprings.craigslist.org/pts/d/colorado-springs-1968-ford-shelby/7694898573.html