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Thread: IDing Pistons

  1. #1
    Junior Member SHOW GUEST
    Join Date
    May 2009

    IDing Pistons

    I have a set of pistons that are 40 over and should be 11 to 1 compression with 4 valve reliefs the only numbers on the pistons is 209 on the inside of the piston skirt. Does anyone know what these are???
    Thanks in advance


  2. Racing Junk

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