The 117ci Motor from HD produce a very respectable torque figure. Its just nice to be able to produce more torque earlier in the rev range & also increase the horsepower up.
The Reaper 472 does that for a very easy bolt in cam.
113.3 -> 124.9
(11.6 HP increase / 10.2% increase)
130.5 -> 136.0
(5.5 ft-lbs TQ increase / 4.2% increase)
* Bike had a stage 1 setup