Aftermarket replacement for om648 turbo pistons. These are STANDARD SIZE (88mm). NPR of Europe GmbH part number 130 010 0003 00.
Per the manufacturer:
- Piston comes with wrist pin, forged and with alfin insert ( for the piston rings)
- Piston head/crown is anodized
- Sides are graphite coated
- The Piston rings are chrome coated