If you are looking to update the styling of your Karmann Ghia, Standard Beetle, or Super Beetle with a splash of Porsche influence, you will need new drums adapted for Porsche wheels.
This Rear 5x130 Lug Brake Drum is designed specifically to install Porsche wheels on your VW.
Learn more from the following Mid America Motorworks Knowledge Library articles:
Air Cooled VW Rear Brake Drum Replacement