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Thread: Need Piston Part Number Decoded

  1. #1
    pw_Tony
    Just picked up another boat and the motor needs reassembly.
    454BBC
    Has pistons with it, and I'm foing to calculate compression.
    Their .020 over pistons and next to the wrist pin their is the only other number I can find
    H518C
    they have a slight dish in the middle.
    And what's the best way to tell if it's cast or not? Thanks
    Tony
    __________________

  2. #2
    brianthomas
    Look at the underside for a manufacturer emblem.

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