oil gauge

Hey everyone. I want to install both an oil cooler and an oil pressure gauge on my ZZW30, but I'm not sure if I want to stack sandwich plates (which seems to be an easy but sketchy solution). This is my first car and I'm still cutting my teeth so I don't want to do anything too involved that...

Affordable Oil Pressure and Temp gauge http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=150411726547 MGL Avionics, TP-2. These are their clearance items. The newer ones run $210+shipping, My order came out to $115 shipped. This gauge can display oil pressure and temperature at the...