Prime Line 7-02428 Head Gasket Replacement for Model Briggs and Stratton 271866 For Models 251700, 252700, 253700, 281700, 282700, 286700, 189700, 28A700, 28B700, 28C700, 28D700, 28M700 For Use in 11 HP Engines Included in 7-02607 Gasket Set