NPR Pistons w/ Rings fit Non Power-Impoved fit 99-08 Ford 5.4L SOHC 16V Size:Oversize 1.00mm / 0.040in 1992-1994 GMC JIMMY 4

1992-1994 GMC JIMMY 4

Part Numbers: WPH-006

2002-2005 FORD EXPLORER 4

2006-2007 MERCURY MARINER 3

1998-2003 DODGE DAKOTA 5

NPR Pistons w/ Rings fit Non Power-Impoved fit 99-08 Ford 5.4L SOHC 16V Size:Oversize 1.00mm / 0.040in 1992-1994 GMC JIMMY 4Remark: Non Power Improved Pistons. NPR Pistons w Rings fit Non Power Impoved fit 99 08 Ford 5. 4L SOHC 16V. 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,