Upper control arms ($161.18/shipped-ebay)
The link and the one OKLA above you provided has this info quite a ways down the description:
"Does not work with stock 1967 1972 "Small Ball joint" spindles.
Cars using the small ball joint order part # 2071456-R and 2071457-L
Larger ball joint. Only fits cars with drum brakes.
(parts do not fit cars wth disc brackes)"
Just in case no one is reading the whole description.
Dallas