Rotary 8826 Piston Assy (+020)10,12.5 Hp by Rotary $38.41 Sold out 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Sold out PRODUCT INFORMATION Type Other PRODUCT DESCRIPTION DESCRIPTION Piston Assembly for B&S Models: 220000 - 222000, 252000 - 257000, 280000 - 286000, 40000, 402000 - 422000. 10-12.5 & 14-18 HP Engine Models. Includes Rotary #8827 Rings. REPLACES OEM B&S 391288, 394663, 394957, 498586, 499290, 499292, 499958