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Sensor Fitting Adapters

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Everything on an LS engine is metric, including the ports for the water temperature and oil pressure sensors. If you’re installing an LS engine in an older vehicle or you have aftermarket gauges, you’ll need metric to SAE adapters from Auto Meter. And the only way that we’ve found to run a mechanical water temp gauge is to delete the thermostat (not a good idea on a fuel injected engine) and use a pipe adapter in the rear heater hose port in the water pump.