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tom1394racing tom1394racing is online now
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Join Date: Jan 2004
Location: CT
Posts: 11,615
These appear to be high compression MFI/Carb pistons. I'd guess there are the 10.5 RS style piston.

If these are Mahle, there will be a part number forged into the bottom of the dome that will tell us exactly what pistons these are.

The number will be hard to read but should be something like "90PXX".
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Tom Butler
1973 RSR Clone
1970 911E - Sold but Never Forgotten
914-6 GT Clone
Old 03-09-2009, 03:02 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #2 (permalink)