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The ISR thermostat for Nissan VQ35HR and VQ37VHR engines is a 68-degree unit that regulates coolant flow at a lower opening temperature. It provides a direct replacement thermostat calibrated to open at 68°F differential, intended for VQ35HR and VQ37VHR powerplants where a specific temperature threshold is required to manage operating temperatures.
ISR Performance Thermostat - Nissan VQ35HR & VQ37VHR - 68 Degree
