Chrome Piston Ring +.020 / Kohler 48 108 07-SPack Size:1Gravely 014816, Gravely 20172600, Kohler 48 108 07, Kohler 236765, Kohler 48 108 07-SGreen Meadow R320, Laser L5657, Laser 94244, NHC 266-9777, Prime Line 7-03776, Rotary 6806, Sunbelt SB-6806Gravely K321, K582 and M14 (old style); Kohler K321, K582 and M14 (old style)Cylinder Diameter: 3.520 ", Ethanol: Not compatible with greater than 10% ethanol fuel