Hey all,

So I just received my order of "genuine" LS7 lifters and they have what looks like a part number stamped on the side of them: 3AU15A1X.

I got these off eBay from "overstocks_direct". The listing had all the correct part numbers of :12499225 HL124 and they're listed as ACDelco manufactured.

They look and feel genuine but this stamped number has me worried. Any advice on this would be great.

Thanks!!