The Kohler 1987404-S Engine Piston Rings, Pin & Clips Kit helps support proper piston operation and maintain effective engine compression. The piston rings help seal the combustion chamber, while the piston pin and retaining clips secure the piston connection within the engine assembly. Replacing worn or damaged components can help reduce compression loss and support reliable engine p... https://www.wholetoolbox.com/kohler-1987404-s-engine-piston-rings-pin-clips-kit/1987404-S.html