Want more reliable cooling from your MR2, then this Air To Water Intercooler install is for you.

You will need the following:

1.  Air To Water Intercooler with opposing ends. 
2.  Bilge type pump such as aqua-tiger or Centri-Puppy.
3.  Heat Exchanger to release the heat.
4.  Shorter throttlebody flange.
5.  A reservoir to fill the system.