Briggs & Stratton 271868S Cylinder Head Gasket Replaces 271868 270983 271868 Briggs & Stratton 271868S Genuine Briggs & Stratton Cylinder Head Gasket Replaces Old Briggs # 271868, 270983, 271868 All L-Head Twins (Cylinder #2) 422000 Model Briggs & Stratton Engines