Briggs & Stratton 270774 Gasket, MUFFL (USE 691880) Engine Parts $4.99 in stock as of 03/14/2024 7:25 AM View Product | Affiliate Disclosure Features Sold on Amazon Briggs & Stratton part number 270774. Briggs & Stratton also owns Simplicity, Snapper, and Murray brands. Briggs & Stratton 270774 Gasket, MUFFL (USE 691880) Engine Parts Briggs & Stratton 270774 Gasket, MUFFL (USE 691880) Engine Parts $4.99 in stock as of 03/14/2024 7:25 AM View Product