Lawn tractor mower piston ring kit compatible BRIGGS STRATTON D. cylinder (mm): 87,3 For models: BRIGGS STRATTON 284700 , 252700 , 254400 , 282700 , 283700 , 286700 , 289700 , 28B700 , 28D700 , 28M700 Code: 30270569 Original part no.: 499996 , 394665 , 394959 , 391780 BRIGGS STRATTON NS - ah m