VW rear rotor with Chevy and Porsche bolt pattern. This rear rotor is double drilled with both a Porsche 5 x 130 bolt pattern and a Chevy 5 x 4.75 bolt pattern. This rotor allows for many different wheels to be installed on a VW or dune buggy. Anything from Cragar wheels to Porsche Fuchs can be installed. Porsche bolt pattern uses 14 mm x 1.5 threads and Chevy bolt pattern uses 12 mm x 1.5 bolt pattern. This rotor will fit swing axle VW rear ends and independent rear suspension rear ends. IRS rear ends will require a spacer.