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    Question about BP pistons?

    I am trying to find out if the BP4W pistons from the 04-05 Mazdaspeed Miata are compatible with the standard BP-ZE found in most 323s, Protege's, Escorts and Miatas. Do they have the same 20mm wrist pins? same 83mm bore? Has anyone done this? I have searched this forum and could not find an...
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    Questions about BP4W (Mazdaspeed Miata) pistons?

    This is my first post on this site, so welcome me to your community. I have used the forum search and could not find anything that could answer my question. I am trying to find out if the BP4W in the 98-2000 Miata and 04-05 Mazdaspeed Miata pistons are compatible with the standard BP-ZE found...
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