GRIPTEC 2020 GT500 SUPERCHARGER PULLEY HUB JDM Engineering has used Griptec for many Supercharger pulley applications even including our Cobra Jet Race cars! Easy to use Made of heavy duty aluminum Fits GripTec 2020 Shelby GT500 pulleys Includes (1) pulley hub and bolts This... MSRP: Was: Now: $159.95