Exhaust Valve / Kohler 235838-SPack Size:1Gravely 010777, Kohler 235838, Kohler 235838-SESF 188-204, Foley/Belsaw 5977077, Foley/PLP 188-204, Laser L5571, Laser 94188, Prime Line 7-03041, Rotary 8475, Sunbelt SB-2832, Sunbelt KO-8475Gravely K241-K321; Kohler K241, K301, K321, M10 and M12Head Diameter: 1.125 ", Length Diameter: 4.656, Stem Diameter: 0.309", Type: Exhaust, Face Angle Diameter: 45 Degrees, Ethanol: Not compatible with greater than 10% ethanol fuel