how best carb for my new setup

[Rollerstarter]

t5,v-force2,knn filter and knn extremme power lid,timing plate set to +4,cool head prodesign 20cc dome,boost bootle,wiseco prolite piston 66.50mm oversize,intake ported and transfert ported and crankcase match port(trail port),barnet clutch

 

 

how the good carb for the setup

[locogato11283]

i would go with keihin 33mm pwk. that way youre not too big but in case you decide to build a 4mm one of these days youll already have a carb that can handle them..