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Thread: Trying to identify a piston.....

  1. #1
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    Trying to identify a piston.....

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ID:	4531Purchased a replacement head for one of my SRs with a blown motor. Seller sent me a piston. Valve reliefs line up but trying to figure out who is the manufacturer of the piston.

    It has a decent dome on it. In marker it has written on it A .0035 clearance. The piston is fully skirted and on the inside bottom it says FORGED TRUE(the letter F in a upside down triangle) and 30 PAT'D. I want to believe it's an OEM piston due to the full skirting but I don't know enough about the OEM piston to confirm. I can post a pic if needed.

    Thanks for any help that you guys can bring!
    Last edited by Jtuner77; 12-05-2017 at 02:03 PM.

  2. #2
    Oem pistons are cast.
    RD Bob.

  3. #3
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    Not an oem. It was machined out of a slug for sure.

  4. #4
    Moderator sjef's Avatar
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    hallo


    http://www.bmeltd.com/about.htm

    regards sjef

  5. #5
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    Sjef, are you trying to say this is a BME piston?

  6. #6
    Moderator sjef's Avatar
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    Hallo,

    No, it is a forged true piston bme bought the company/brand in the early 80 s

    regards sjef

  7. #7
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    Thanks Sjef!

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