i have toomey t-5's came on the bike they are like new,will they be enough,going with a stage 5 dune/drag port from a guy out of lake havasu,az hour drive for me and its only 279.00 rode on of his customers bikes with a stage 5 dune port and it ripped he said there more to do on a 4mil port,i guess i'll buy some 35 kehins pwk's from another forum member!i am greatful for any other opinions or feedback from anyone =====thanks jim i've read you do porting and build some nice stuff i'll take what you and everyone else into consideration======= adam