Speedhut makes this speedometer cluster for Jeep CJs. This GPS speedometer cluster is a direct replacement for OE gauges, and it reads accurately regardless of tire size without needing to be calibrated. The cluster, made of billet aluminum, is water-resistant. It comes with a programmable tachometer and inclinometer, a fuel-level gauge, and a high-beam indicator, as well as being backlit. The LCD displays heading, elevation, odometer, and trip odometer information. The price range is $490-$820, depending upon how many gauges you purchase.