Patrick,
If you look at the old thread I link to in my previous post in this thread you’ll see that for GM 9420621, GM changed from acorn to speed nut with no change in GM part number. So these things can happen.
Gary
If you look at the old thread I link to in my previous post in this thread you’ll see that for GM 9420621, GM changed from acorn to speed nut with no change in GM part number. So these things can happen.
Gary
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