New and used car parts mostly Chevy big block.
Set of 8 Big Block High Compression Forged Aluminum LS7 Chevy pistons 3963551 and dimple rods. The rods are 6.135 in length with 7/16 hardened bolts. GM and TRW cast into the bottom inside.12.4-1 open chamber pistons. So far have only looked at 1 out of the 8.