Head Gasket / Briggs & Stratton 272163SPack Size:1Briggs & Stratton 272163, Briggs & Stratton 270430, Briggs & Stratton 4121, Briggs & Stratton 272163SESF 141-038, Foley/Belsaw 5978277, Foley/PLP 141-054, Foley/PLP 141-038, Green Meadow G329, Green Meadow G43, Green Meadow G944, J. Thomas 272163, Laser L5535, Laser 94161, NHC 266-4929, Oregon 50-541, Prime Line 7-02438, Rotary 1484, Sunbelt SB-1484, Sunbelt B1SB1484Briggs & Stratton 170400-196700Material: Metal, Ethanol: Not compatible with greater than 10% ethanol fuel