Namura NA-10007-3R 79.21 mm Piston Rings for Namura Pistons

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Restore proper engine sealing with the Namura NA-10007-3R piston ring set. Designed for use with compatible Namura pistons, these rings are sized for a 79.21 mm piston and are intended to support reliable compression, oil control, and combustion performance in powersports and small-engine applications.

These Namura piston rings are manufactured specifically for Namura pistons, helping provide the correct fit and operating relationship between the piston, cylinder wall, and ring grooves. The set is intended for honed cylinder applications and should be installed only after confirming piston, bore, ring groove, and application compatibility. Proper cylinder preparation and ring installation are essential for achieving the expected seal and service life.

Use the Namura NA-10007-3R as a replacement ring set when servicing a compatible Namura piston assembly. Verify the piston model and engine application before ordering, as these rings are designed for Namura pistons only. The manufacturer part number is NA-10007-3R, and the vendor part number is 186-10073R.

Features:

  • Size: 79.21 mm piston ring set
  • Brand: Namura
  • Model: NA-10007-3R
  • Manufacturer Part Number: NA-10007-3R
  • Vendor Part Number: 186-10073R
  • Compatibility: Designed for Namura pistons only
  • Application: Replacement piston rings for honed cylinders
  • Function: Supports compression sealing and oil control