Piston Identification

Look like Speed Pro 2316 forged pistons to me.
Clean off the top one and see if you don't see a number that says like L2316.

https://www.ebay.com/itm/1754628914...yNs+LcwZWc2HD5KAEiQDfs10iH|tkp:Bk9SR_aAqry_YQ