Next to the Robinson Gyro, on the back of the Back To The Future Delorean, you will find a heatsink. This heatsink was the amplifier of a 1966 Hewlett-Packard 7701A Single-Channel Oscillograph.

We got some excelent pictures from the breakdown of the A-car below :

We did a movie accurate version of the medical heatsink using aluminum extrusion :

You can buy the heatsink here.

We are also working on replicating the PCB and electronic components that fit inside the heatsink. Here are some prototype pictures :