AFT 24mm Performance Carb Kit - All Models [TBW0962] This kit is a great kit for engines with a stroker crank (105cc to 110cc). Nice performance and in most cases, its bolt on and go without having to change the main jet. Kit includes the 24mm carb, intake for RACE or PORTED HEAD (intake is 24mm at carb side and 21mm at head side), heatstop, gaskets, FOAM air filter and throttle cable. FREE SHIP