Stens 475-192 Valve Cover Gasket Replaces: Briggs & Stratton: 272475S Fits: Briggs & Stratton 21B706, 21B707, 21B972, 21B977, 287707, 287707, 287777, 28N707, 28N777, 28P777, 28Q777, 28S777, 31F707, 31F777, 28E700, 28N700 and 280700