I'm not sure what these are called-It's that AC part that mounts on the firewall.Free for shipping Thanx Jeff j72stage1@hotmail.com
That's a vacuum canister. It's for the lines under the dash as the vents are vacuum operated in an a/c car instead of cable operated.
it also operates the secondaries on the carb. As i found out when i swapped my intake and forgot to hook it back up.