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  1. #1

    wsm platinum piston rings

    I recently purchased a set of these for a 951 off e-bay and saw it has a chrome ring and a blackish colored ring,which ring goes on top.Could not find any info on these pistons and the seller has not returned the e-mail,please help if you know

  2. #2
    KrunchovXPL-GTX-RX's Avatar
    Join Date
    Mar 2009
    Aiken, SC
    I have been told that WSM rings are the same as stock. This is unconfirmed, however.

    With stock rings on stock pistons the rings are two different sizes and have a top marked with a dot.

    On those, the dark ring goes on the bottom and the bright ring on top. The dark ring will fit into the upper groove but the bright ring will not fit the lower groove.

    Hope this helps.

  3. #3
    Thank you,I thought that too but wanted to be sure

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