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compression

  1. chussey

    Can anyone ID these aftermarket pistons?

    I'm in the process of disassembling a spare 3.0 engine and was surprised to find it has 90.5mm CNC machined aftermarket pistons. The only identifying mark I can find is "58150B". They look to have relatively high deck height, I would love to find out the manufacturer and compression ratio. Any...
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