Chrome Piston Ring +.010 / Kohler 48 108 06Pack Size:1Gravely 014815, Gravely 20172500, Kohler 48 108 06, Kohler 236764, Kohler 48 108 06-SESF 163-319, Foley/Belsaw 5979722, Foley/PLP 163-319, Green Meadow R319, Laser 97334, Prime Line 7-03775, Rotary 6805, Sunbelt SB-6805Gravely 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