Cam selection help

Below is 4 Comp Cams-1st graph show horsepower curves biggest cam makes most power and smallest makes least 2nd graph shows torque curves and the opposite is true smallest cam has most torque and largest the least, I wouldn't focus on the number so much as the curves once you pick what range of cam I can try different cam of similar spec's from same and different company's to see whats best.

20-222-3 262/270 367hp@5000 472lb-ft@3500
http://www.summitracing.com/parts/cca-20-222-3/overview/make/plymouth

20-223-3 268/280 394hp@5000 472lb-ft@3500
http://www.summitracing.com/parts/cca-20-223-3/overview/make/plymouth

20-224-4 274/286 405hp@5000 467@3500
http://www.summitracing.com/parts/cca-20-224-4/overview/make/plymouth

20-225-4 284/296 420hp@5500 457@4000
http://www.summitracing.com/parts/cca-20-225-4/overview/make/plymouth