I just got in two very nice cores; '68 and a '69 standard. The first is a for a '68 standard. This has the larger 3/8" tube and is a great replacement for '67 and '68 non XR7 Cougar and Mustang. $160 includes Priority Mail shipping in the USA. I can also rebuild your standard sender for $90.
Order here: https://desertclassicparts.com/product/rebuilt-oem-1968-standard-fuel-sending-unit-no-core-required/
