NPR Pistons w/ Rings fit 06-20 Chevrolet Express Silverado GMC Savana Sierra 6.0 Size:Standard Part Numbers: 3435-0312

Part Numbers: 3435-0312

Remark: Valve steam seals DO NOT fit engines manufactured From 2/15/1992

4 Chain Guide Rails

Part Numbers: HS6015

NPR Pistons w/ Rings fit 06-20 Chevrolet Express Silverado GMC Savana Sierra 6.0 Size:Standard Part Numbers: 3435-0312NPR Pistons w Rings fit 06 20 Chevrolet Express Silverado GMC Savana Sierra 6. 0. 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