These 3 point retractable seats are a direct bolt in for 1968 Beetles and later. They can easily be installed on earlier cars with a few modifications.
Here are a couple of helpful links.
We now offer this TOP QUALITY new passenger 3-Point Lap & shoulder belt system with brackets and hardware. These belts are perfect for your aircooled and early watercooled Volkswagens, Japanese cars, British cars, and other foreign or domestic vehicles that you can use the 13 inch cable female buckle receiver. This item comes with the lap and shoulder belt system for two passengers, webbing length 113 inch, 8 piece nut and bolt kit with oversized washers for adding your own custom anchor points and detailed installation instructions! Colors of retractor and webbing is available in Black,Red,Tan,Blue and Grey.
These new safety belt systems are federally approved and meet or exceed all Federal Motor Vehicle Safety Standards.
We also offer color matched 2 point lap belts for the rear seat.
Click here to see all colors available