NPR Pistons w/ Rings fit Engine Timing Cover Gasket Set 1 Guide Rail left (left

1 Guide Rail left (left fixed rail)

2003-2014 FORD E-250 5

12 Small Bolts)

2008-2013 GMC SIERRA 1500 6

NPR Pistons w/ Rings fit Engine Timing Cover Gasket Set 1 Guide Rail left (leftNPR Pistons w Rings fit. 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 engine. Be sure to have your engine pistons replace