Chrome Piston Ring +.020 / Kohler 48 108 03-SPack Size:1Gravely 012365, Kohler 48 108 03, Kohler 235891, Kohler 48 108 03-SESF 163-317, Foley/Belsaw 5979720, Foley/PLP 163-317, Green Meadow R317, Laser L5655, Laser 95242, NHC 266-9028, Prime Line 7-03773, Rotary 6803Gravely K301 and K532, before Serial No. 1730100013; Kohler K301 and K532, before Serial No. 1730100013Cylinder Diameter: 3.395 ", Ethanol: Not compatible with greater than 10% ethanol fuel