That sounds like the newer Power max which replaced the Other HMV 272-2 which is a 530/560 gross lift Dur.@.05 216/228 .000valve lash hot in/ex with a 112 degree lobe separation RPM band
2000-5000 cruise rpm 2600-3000 8.75 to 10.5 -1
So this would have a good idle daily usage.

Larry/Twisted6
[oooooo] smile
Adding CFM adds boost smile
shocked God doesn't like ugly.