Rotary 7421 Intake Manifold Gasket For B&S by Rotary $5.85 Sold out 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Sold out PRODUCT INFORMATION Type Gasket PRODUCT DESCRIPTION DESCRIPTION Fits B&S 18 HP V-Twin Engines Models: 400400, 400499, 401400-401499, 402400-402499, 401700-401799, 402700-402799. REPLACES OEM B&S 270884, 692219