NPR Pistons w/ Rings fit 91-99 Nissan Infiniti 2.0L DOHC L4 16 Valve SR20DE Timing Belt Water Pump 4 DOHC G4JS

4 DOHC G4JS

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1968-1969 MERCURY MONTEGO 6

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NPR Pistons w/ Rings fit 91-99 Nissan Infiniti 2.0L DOHC L4 16 Valve SR20DE Timing Belt Water Pump 4 DOHC G4JSNPR Pistons w Rings fit 91 99 Nissan Infiniti 2. 0L DOHC L4 16 Valve SR20DE. A piston is a cylindrical piece of metal that moves up and down inside each cylinder, compressing the air fuel mixture and capturing the force created by the combustion process. This force is then transferred to the crankshaft, via the connecting rod. Symptoms of a Bad or Failing Piston include engine misfire, excessive oil consumption, knocking or slapping noise from inside