ISR Performance Thermostat 68 Degree Nissan VQ35DE w/ Water Port FRS_2013-2016 Removal Tool Mounting - allows

Removal Tool Mounting - allows the use of the GrimmSpeed Crank Pulley Tool

Our fitting is made from CNC stainless steel w/ high temp o-rings to ensure a leak free seal

**No Returns on Colored flaps

not only does it give your car better performance

oil feed line

ISR Performance Thermostat 68 Degree Nissan VQ35DE w/ Water Port FRS_2013-2016 Removal Tool Mounting - allowsPart #: IS 21200 31U13 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