VW Bug, Super Beetle, Ghia And Thing Shift Rod Coupler Stock, Urethane Or Aluminum. Early through 1964 round and late 1965 - 1979 square or the ultimate 1965 - 1979 coupler that will last forever and is a breeze to install custom made of aluminum. The stock early round coupler comes without grub screws, the stock late square coupler comes with rubber inserts and shift rod hardware but no grub screw. The urethane early round coupler comes with both grub screws, the urethane late square coupler comes with urethane inserts the shift rod hardware and the grub screw same as the late HD coupler. The ultimate late square coupler comes with custom HD bolt and nut, without grub screw. Bug, Ghia and Thing have basically the same chassis and the shift couplers are also the same for the model years and Super Beetle these are same too. Grub screws also available sold each.