ISR Performance Thermostat 68 Degree Nissan VQ35DE w/ Water Port FRS_2013-2016 Designed specifically for K-series engines

Designed specifically for K-series engines

not only does it give your car better performance

K&N's comprehensive Typhoon Intake kit includes all the necessary installation hardware

It increases downforce by 35 lbs at 75 mph

ISR Performance Thermostat 68 Degree Nissan VQ35DE w/ Water Port FRS_2013-2016 Designed specifically for K-series enginesPart #: 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