440 Camshaft recommendations for up to 6-6,500 rpm?

33IMP said
Ive got a .557 purple shaft solid in my 440. It will rev to
6500, no problem .

It's a bunch faster, shifted at 5900.

revving to 6500 isn't a problem. making power at is .
If I was making peak power at 6000, I'd shift at 6500