If those rods were with the Shifter that I traded you, then the shifter body will also have dating information on it (see appropriate thread for decoding). The dating information might be important to a potential purchaser. Those rods were attached to that shifter when I purchased it from Don Trivett in the early 80's and which I only purchased because I identified it as a '69 Z28 shifter&rods; I didn't need it for my car, but it was rare to find one even back then. (ie. the date might be important from an original plating perspective. Note: I did nothing other than store that shifter/rods during the 30 yrs I had it.)