68 up oil/trans pan drain plugs.
 

19 original d head marking oil and automatic transmission pan drain plugs for 68 up Corvettes Camaros Chevelles novas and Impalas. Both big and small block. $23 each ship to the lower 48 or $40 for a pair ship to the lower 48. I have one original GM D magnetic drain plug $35 ship to the lower 48 https://www.yenko.net/ubbthreads/pics...2_13.37.14.jpg
https://www.yenko.net/ubbthreads/pics...2_13.37.01.jpg