Would I be able to put an electronic speedometer into my Firebird that goes up to 120mph? I currently have one that only shows up to 85 (though it goes far past that). The auction I'm looking at for it includes the gas gauge and tach too, but my current cluster only has the Speedometer and Gas Guage, and then a bunch of accessory lights to the right of those.

<img src="http://mywebpages.comcast.net/mettlecop1/taspee~1.jpg">
That's the new one.

Would I be able to hook this up in my car? I'd really rather have the tachometer instead of the accessory lights... any input is welcome.