ISR Performance Thermostat - Nissan VQ35HR & VQ35VHR without water port - 68 Degree
ISR Performance colder thermostat for VQ35DE Engines. Good upgrade for High performance engines, The ISR units opens at 68 deg celsius compared to factory 78 deg celsius. Cool down your motor before heat builds up!
Once the engine is fully warmed up the ISR thermostat will open up at a lower temperature than standard thermostats, also allowing the coolant to flow through the engine sooner thus reducing and maintaining cooler engine temperatures.
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