Lawn tractor mower piston rings kit compatible BRIGGS STRATTON D. cylinder (mm): 76,2 For models: BRIGGS STRATTON 197700 , 170400 , 170700 , 190400 , 190700 , 192400 , 194700 , 195700 , 19G400 Code: 30270567 Original part number: 499921 , 391669 , 393881 , 299569 BRIGGS STRATTON NS - ah m