B&S #493261 Ring Set Quantum

Fits Briggs & Stratton 121702, 121707, 121782, 121787, 121802, 121807, 121882, 121887, 122702, 122707, 122782, 122787, 122802, 122807, 123702, 123707, 123782, 123787, 123802, 123807, 123882, 123887, 124702, 124707, 124782, 124787, 124802, 124807, 124882, 124887, 125702, 125782, 126702, 126707, 126782, 126787, 126802, 126807, 126882, 127702, 127707, 127712, 127782, 127787, 127802, 127807, 127809, 127882, 127887, 128702, 128712, 128802, 128805, 128807, 128809, 128812, 128882, 128887, 129702, 129707, 129782, 129787, 129802, 129807, 129812, 129882, 129887, 12A802, 12B802, 12C702, 12C802, 12C807, 12C882, 12D802, 12E702, 12E707, 12E782, 12E787, 12E802, 12E807, 12F702, 12F707, 12F782, 12F787, 12F802, 12F805, 12F807, 12F809, 12F812, 12F882, 12F887, 12F889, 12G702, 12G782, 12G787, 12G802, 12G807, 12G812, 12G882, 12G887, 12H702, 12H707, 12H712, 12H802, 12H805, 12H807, 12H809, 12H812, 12H882, 12H887, 12J702, 12J707, 12J802, 12J805, 12J807, 12J809, 12J882, 12J887, 12K702, 12M802, 12M807, 12M882, 12M887, 12S702, 12S707, 12S787, 12S802, 12S807, 12S882, 12S887, 12T702, 12T707, 12T782, 12T787, 12T802, 12T807, 12T882, 12T887, 12U802, 12V802, 12V807, 12V809, 12V882, 12W802, 12W807, Quantum engines. For our 18-40-2248 Piston Assembly.