Upgraded 360 Cam?

Dan the man said
Stock 360 2 barrel cam. .410/.412× 252*/256*. The factory 340 cam is a nice upgrade, the 1968 340 4 speed cam, .444/.458× 276*/284*

Is there a comparable cam I should look for online? Appreciate the help guys! I'm not sure how to go about correctly adding power to my motor.