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Dunno if the Daks use the same part but I have the Rancho greasable tie rod ends. Part number for a Ram is RS62614. Nice, beefy and oversized and have a Lifetime Warranty...
In Canada, some auto parts suppliers (like Parts Source) have a Moog Nascar Advantage line. This line of the tie rod ends has the same part number (ES3571) and is the same configuration with a grease nipple.