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The ISR thermostat for Nissan VQ35DE engines is a 68-degree thermostat built as a direct replacement to manage coolant flow at the specified opening temperature. It fits VQ35DE applications and provides a straightforward way to maintain predictable engine operating temperature by using a thermostat that opens at the calibrated 68-degree setting.
ISR Performance Thermostat - Nissan VQ35DE - 68 Degree
