Wiseco piston numbers same but different

[fox_forma]

Going through a bin I came across a set of banshee 795 pistons that I bought but never used. Looking at them I noticed they have the same number stamped across the center but the top 4 digit number is different. I thought I struck gold as I'm rebuilding my 4mil but now I'm lost as to what the numbers mean.

 

Both pistons have 795m06450 across the center but one piston has 7435k across the top and the other 1069d. What does this mean? The 1069d looks a little different above the hole where the rod connects.

 

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[Strm Trpr]

Probably just a serial number.

Call wiseco tomorrow and report back.

[BANSHEE HP]

That's just the juilan date code