Chrome Piston Ring Std / Kohler 48 108 05-SPack Size:1Gravely 014814, Gravely 20172400, Kohler 48 108 05, Kohler 236763, Kohler 48 108 05-SESF 163-303, Foley/Belsaw 5977070, Foley/PLP 163-303, Green Meadow R214, Laser L5610, Laser 94433, Laser 94434, NHC 266-9182, Oregon 36-033, Prime Line 7-03763, Rotary 2473, Sunbelt SB-2473Gravely K321, K582 and M14 (old style); Kohler K321, K582 and M14 (old style)Cylinder Diameter: 3.500 ", Ethanol: Not compatible with greater than 10% ethanol fuel