Auto Racing: Racing pistons, chevrolet 350, ford 351

Question
My husband and I are cleaning out this garage.  We came across 8 new pistons. This is what it says on the box. TRW Thmpson produced  Power Forged Racing Pistons.  The part number is L2210AF STD. Bore size is 4000 plus over size. Rod size is .0005 to .0007. The compression Ratio is 12.5:1.
My question is, is this something that would be used still and is there any worth to them.  There are 8 of them.  They have a slight discolorization for just sitting around.

Answer
I sent one answer , maybe it got lost.
What you have are probably older forged pistons for a Chevrolet 350 - - -but they could be for a Ford 351 too. As far as their value goes, I'd say put them on e-bay with a reserve of $50 or so. Somebody will buy them

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Dan Liddy