The power of the S&S 124 is 160 horsepower. This engine can be installed as a completely new one as well as retrofitted for additional power and higher torque. This engine is much more powerful than the 96 CC. Moreover, it is superior to the factory engine in several other performance indicators. It is designed for heavier motorcycles and allows them to develop higher speed. It is used on motorcycles from 1984 to 1999 and 2007 to 2016. The cost of such an engine is around $7,000. It is made in an aluminum body with chrome plating.