ISR Performance Colder Temp Thermostat Nissan 240SX 1989-1998 Vehicle Model_Cooper you need to upgrade any

you need to upgrade any factory bushing you can

fully machined surfaces and swirl polishing under their heads

no oil pan

Horsepower: 490HP

ISR Performance Colder Temp Thermostat Nissan 240SX 1989-1998 Vehicle Model_Cooper you need to upgrade anyPart #: IS 21200 60 ISR Performance colder temp thermostat for KA24DE and SR20DET. Good upgrade for High performance engines, where the ISR Performance units opens at 60 deg celsius compared to factory 76. 5 deg celsius. Cool down your motor before heat build up! Once the engine is fully warmed up the ISR Performance thermostat will open up at a lower temperature than standard thermostats, also allowing the coolant to flow through the engine sooner