Torque Solution Lightweight Crank Pulley | 2010-2013 Hyundai Genesis Coupe 3.8 (TS-GEN-005R)2010 2013 Hyundai Genesis Coupe 3. 8 Lightweight Crank Pulley by Torque Solution Torque Solution has designed this Crank 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 Crank. The increased surface area distributes the contact load over a larger area, eliminating the chances of the pulley spinning