do not know much about this kit, wondering how does it work and is it for drag bikes only, i mostly ride desert and dunes with stock swingarm length, i want to continue utilizing my stock crank, my 89 shee has the following coolhead with 22 domes, toomey t-5's, k&n pod filters, lightened flywheel from duncan racing, durablue axle, +2 a-arms, desert tank boyesen pro reeds, stock carbs 310 main jet, considering purchasing vforce 3 reeds and 20 domes for my cool head, also will i need larger carbs with the cub motor, looking for displacement to be either 392 or 409 whichever is recommendes for desert and dune riding...thanks ...