Ford F150 2011-2020 3.5L

The 270a, 370a & 400a options have 200-205a at idle rpm of 600+ and 270, 370 & 400+a at 1800+ RPM.

These come with the OEM regulator, if you would like a higher voltage you can purchase a bypass regulator.  

You will need a 1/2" - 3/4" shorter belt.