i have a set of 144 extra light rails that are for i belive 2000 up.they will not work for what i am doing so they got to go.i also have a set of mountian machines universal extentions for 8'' wheels 144-151 3.5''.they only fit the 7.5 inch wheel rail.$125 plus shipping for the rails,$125 plus ship for the extentions.i just want my $ back from a project gone wrong.pm me ,thank's