GM piston info

[Hemi8me]

I have a set of GM pistons and rods. No clue what they are from. The inside of the piston has GM on one side Piston number is 6271096. I can't find a number on the rods

 

[Hemi8me]

Looks like they are Chevy small block.

 

[Screamin' Metal]

I have a set of GM pistons and rods. No clue what they are from. The inside of the piston has GM on one side Piston number is 6271096. I can't find a number on the rods

You identify the rods by Centerline length, the casting type, and rodbolts....