I checked Rockauto for a '65. KYBs are $18. That would be my bet.
I would go for set of matching stocl nitrogen shocks from a good manufacturer. Monroe or gabriel. If you like autozone, then a lifetime...
If you search, I think there are also references to a mustang radiator.
Try these guys.
John R. Spring Service, Inc. | Spring Manufacturer
This! The 1.08 venturi will define the flow/CFM.
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