The Kohler 2010804-S Engine Ring Set 94mm helps restore proper piston sealing and engine compression in compatible engines. Installed around the piston within the cylinder, the rings help maintain a seal between the piston and cylinder wall while controlling combustion gases and engine oil. Properly functioning piston rings support consistent compression, efficient combustion, and rel... https://www.wholetoolbox.com/kohler-2010804-s-engine-ring-set-94mm/2010804-S.html