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Supertech 85mm Bore Piston Rings - 1x3.10 / 1.2x3.5 / 2.8x3.10mm Gas Nitrided (R85-GNH8500)

$25.51 $31.88
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Supertech 85mm Bore Piston Rings - 1x3.10 / 1.2x3.5 / 2.8x3.10mm Gas Nitrided (R85-GNH8500)
$25.51 $31.88
$25.51 $31.88

Ensure superior combustion sealing and reduced friction in your high-performance engine build with this Supertech 85mm bore piston ring set. These rings utilize a gas nitrided surface treatment, creating an extremely hard, wear-resistant finish capable of withstanding the high temperatures and cylinder pressures found in forced induction or high-compression naturally aspirated applications.

  • Bore Diameter: 85.00mm
  • Top Ring: 1.0mm height x 3.10mm radial width
  • Second Ring: 1.2mm height x 3.5mm radial width
  • Oil Ring: 2.8mm height x 3.10mm radial width
  • Material: High-strength steel with gas nitrided finish
  • Manufacturer Part Number: R85-GNH8500

The gas nitriding process provides a lower coefficient of friction than traditional chrome or moly coatings, facilitating faster break-in and extended service life for both the rings and the cylinder walls.

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