5.9 magnum camshaft

I been thinking about one of these regrind but haven't pulled the trigger yet.

Hyduralic Roller Camshaft Mopar Magnum HR-258-SBMd 318 340 360 Swinger Dart Cuda | eBay
It will PULL ,WITH TORQUE, to about 42-4400..... Depending on your intake / exhaust tracts ,.. : Peak horsepower: 52-5400 ,to near 6000 plus.....