Koso Proton Water Temperature Gauge
The Proton Water Temperature Gauge from Koso is a lightweight and compact gauge designed to provide a precise reading of the engine’s coolant temperature.
Features:
- Provides a precise reading of engine’s coolant temperature
- Designed to function on virtually any motorsport vehicle
- Operates with a CR2032 replaceable battery
- Features a large LCD display for easy monitoring
- Comes with a removable face plate
- Effective temperature range: 14 ~ 140 °F
- Adapter kit required / based on your coolant hose size












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