MP .509 is around 250*@050 timing, measured real-world if memory serves. A solid cam costs you about 1/2* per thousanth valve lash, so that brings the lunati 60342 down from 251/259 to 243/241. Add to the mix the 509 is available in either a 108 or 114 LSA with the lunati being a 110.

In terms of duration, the 509 is bigger. In terms of lift and lobe rate, the lunati wins.