Hey Pat
Those seem like different wrist pins. I've never seen such a big weight difference in pins. I'm betting the pins are not all the same. There are subtle differences in the pin types that are not always obvious. Measure the length, diameter and wall thickness for each pin with a hand held caliper.
I have boxes full of wrist pins and can provide a set that matches to within +/- 1 gram if you need some.
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Tom Butler
1973 RSR Clone
1970 911E
914-6 GT Recreation in Process
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