The Kohler 1887403-S Engine Piston Kit restores proper compression and supports efficient engine performance. This component is designed as a replacement piston kit that operates within the cylinder to convert combustion energy into mechanical motion. It works by moving up and down in a sealed chamber, creating the force needed to drive the crankshaft and power the engine. Built for p... https://www.wholetoolbox.com/kohler-1887403-s-engine-piston-kit