Chrome Piston Ring +.010 / Kohler 235288-SPack Size:1Gravely 014762, Kohler 235288, Kohler 235288-SESF 163-313, Foley/Belsaw 5979716, Foley/PLP 163-313, Green Meadow R313, Laser L5654, Laser 94241, NHC 266-9248, Prime Line 7-03769, Rotary 6799, Sunbelt SB-6799Gravely K241; Kohler K241Cylinder Diameter: 3.261 ", Ethanol: Not compatible with greater than 10% ethanol fuel