The SpeedFactory Racing -16AN Thermostat Housing is designed to replace your factory thermostat housing and allows you to easily adapt  -16AN hoses and fittings to your engine's cooling system.  All SpeedFactory thermostat housings have provisions for the OEM cooling fan switch and engine harness ground wire.

Complete your -16AN cooling system conversion by pairing this housing with a SpeedFactory Racing Upper Coolant Fill Neck, found in the cooling system section of our online store.