what size carb do i need?

I was thinking 4000+ rpm stall. What's the RPM range on the cam?

rpm range on the cam is 4500 to 7500 Camshaft
Cam Motion roller 269 275 @ .050 and .631 lift with 1.5 rocker Valves set on .024 .028
RPM range 4500-7500. Cam is degreed in at 104 deg centerline.