This Fan-Thom II kit comes with a threaded thermostat that screws into the engine block or intake manifold for a professional looking installation.This is inexpensive protection for an electric fan and a vehicles wire harness. Provides constant voltage protects from voltage and amperage spikes and prevents the fan from back feeding voltage through the vehicles wire harness. Installation Instructions: Download Here Made in USA Set includes: SPST 40 Amp relay30 Amp circuit breaker3/8-18 NPT thermostatic switch 195°F On / 185°F Off 1/2 NPT to 3/8 NPT adapterRelay base with harnessCrimp-on terminalsMounting hardware
