Manufacturer's Part Number:
EMP Stewart High Performance Thermostats
Summit Racing Part Number:
Opening Temperature Rating:
Modified with three 3/16 in. bypass holes.
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These EMP Stewart custom thermostats are manufactured by Robert Shaw and modified by EMP Stewart. They feature a balanced sleeve design and are designed for high-rpm applications. These high-flow thermostats are recommended for any performance applications and work well with high-output water pumps.