You are most likely seeing specs for an early 2008 and older 5.7 hemi. The 2009+ 5.7 uses the same style camshaft as a 6.4 does. The 6.1 cam will not fit any 5.7 2009 or newer.

1975 Jeep Cherokee compound turbo 5.7 Hemi/6 speed AutoX/Drag/Street.
9.97 @ 140 slicks, 10.74 in autox trim