Torque Solution Lightweight Alternator Pulley | 2010-2016 Hyundai Genesis (TS-GEN-004R)Lightweight Alternator (Red) by Torque Solution Torque Solution has designed this alternator pulley not only to improve performance but to surpass the quality of the original pulley. A critical feature of the Torque Solution pulley is its increased mounting surface area between the pulley and the alternator. The increased surface area distributes the contact load over a larger area, eliminating the chances of the pulley spinning loose. Torque Solution