2014-2019 Chevy Corvette C7 Stingray and Z06 3.5” HD Aluminum 1 Piece Driveshaft-Coupler Delete StyleMade to Order 1 2 Weeks Lead Time to Build C7 Corvette Stingray & Z06 3. 5" Aluminum Driveshaft with Coupler Delete Option. Our torque tube driveshafts are made from 3. 5" x . 125" wall 6061 T6 aluminum and uses our own custom machined ends. This will ensure the shaft will not distort or break like the factory units. The factory shaft is made from a smaller tube (there are 2 different types) and will flex and actually bend during hard acceleration,