NPR Pistons w/ Rings fit 04-12 Infiniti Nissan Armada Pathfinder 5.6L VK56DE Size:Standard 1991-1994 PONTIAC SUNBIRD 3

1991-1994 PONTIAC SUNBIRD 3

and the later head gasket set design fits model has chassis number from # N13089

1995-1996 GMC K1500 SUBURBAN 5

2009-2012 BMW 750LI 4

Part Numbers: WP3020

NPR Pistons w/ Rings fit 04-12 Infiniti Nissan Armada Pathfinder 5.6L VK56DE Size:Standard 1991-1994 PONTIAC SUNBIRD 3NPR Pistons w Rings fit 04 12 Infiniti Nissan Armada Pathfinder 5. 6L VK56DE. 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