ExotekDR10M HD Aluminum Rear Ball Stud Mount. This is an optional rear ball stud mount intended for the Team Associated DR10M drag car. Constructed from 7075 aluminum this heavy duty mount offers additional strength and precision over the stock parts. Even though this mount has been built to be a heavy duty upgrade, Exotek has spent the extra time to optimize the design to shed weight down to six grams! This is an excellent and easy upgrade for the DR10M. Package includes one DR10M HD aluminum rear ball stud mount.