LNF Nippon Piston Rings

Engine - LNF Nippon Piston Rings

LNF Nippon Piston Rings

1 review
Regular price $69.99
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  • In stock, ready to ship
  • Inventory on the way

This is a replacement ring set for the stock OEM piston stock bore 07+ LNF/LHU/LDK 2.0 liter direct injection engine.

A piston ring must have both spring-like tension and the properties to become a true circle when closed. In the combustion chamber of engine, NPR’s piston rings serve to seal combustion gas, control lubricating oil, dissipate heat, and prevent wear and seizure under the severe conditions of operation. Now that engines are required to be more compact, lighter, and more sophisticated in performance, the choice of piston ring materials has been widened to include steel in addition to the traditional cast iron. Moreover, in order to enhance their wear resistance and durability, they also undergo various surface treatments including nitriding and PVD treatment.

In these environmentally aware times, progress is being made in the introduction of low-emission cars for NOX and HC reductions and in the control of fuel consumption for CO2 reduction. To achieve these purposes, the following techniques have been developed and incorporated in the design of piston rings.

  • Piston ring combination for low-friction 
  • Thinner width compression-and oil control rings
  • Advanced surface treatments, and high-durability, low-cost materials
  • Optimum design through tuning techniques

Does not fit JE or Wiseco forged piston sets.

Customer Reviews
5.0 Based on 1 Reviews
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  • OEM Pistons
  • ring compressing tool
  • tolerance
  • cylinder sleeve
  • sleeves
  • rebuild
  • rings
  • glove
AF
09/09/2020
Anthony F.
United States United States

Good quality product

The experience setting them up and using them wasn't bad at all. Used a ring squaring tool in each cylinder sleeve and checked each set of rings to make sure the sleeves and rings were within tolerance. Once installed on some new OEM Pistons, made sure to clock them, soaked in oil, and dropped it all in with a ring compressing tool. Slid in like a glove. Would definitely recommend for any basic rebuild.

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