Affordable Wideband Air/Fuel Ratio Gauge kit

[vex]

Originally Posted by Prosport Gauges

interesting.. does it have to be copper ?

Not really. Copper just conducts heat well, so does aluminum. I imagine that any metal used in radiators will work well for a heat sink.

[Prosport Gauges]

Originally Posted by vex

Not really. Copper just conducts heat well, so does aluminum. I imagine that any metal used in radiators will work well for a heat sink.

I think alum. is less expensive now and looks better over time.