NPR Pistons w/ Rings fit 97-09 Mazda Ford Mercury 4.0L V6 SOHC 12v VIN E K Conversion / Lower Gasket Set 2010-2017 BMW 535I GT 3

2010-2017 BMW 535I GT 3

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NPR Pistons w/ Rings fit 97-09 Mazda Ford Mercury 4.0L V6 SOHC 12v VIN E K Conversion / Lower Gasket Set 2010-2017 BMW 535I GT 3NPR Pistons w Rings fit 97 09 Mazda Ford Mercury 4. 0L V6 SOHC 12v VIN E K. 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