Purple Shaft Identification

you have to check the lobe lift, and best bet would be to check with a degree wheel. mopars go by color code , if you dont know color codes for mopar purpleshafts, forget trying to get, must be one of mopars best kept secrects.i would ask other members on here about the color code on there cams. i have a 557'' solid that is red, i also have a 509 hyd that has a purple stripe.