Head Gasket / Briggs & Stratton 271868SPack Size:1Briggs & Stratton 271868, Briggs & Stratton 271868SESF 141-050, Foley/Belsaw 5979755, Foley/PLP 141-050, Green Meadow G9727, J. Thomas 271868S, Laser L5789, Laser 94343, NHC 266-4245, Oregon 50-546, Prime Line 7-02430, Rotary 8243, Sunbelt SB-8243, Sunbelt B1SB8243Briggs & Stratton Twin cylinder 400400, 400700, 401400, 401700, 402400, 402700, 404400, 404700, 421400, 421700, 422400 and 422700 (#2 cylinder)Material: Graphite, Ethanol: Not compatible with greater than 10% ethanol fuel