Granatelli 430180 Features:

Prolong the life of the thermostat by reducing head pressure on the thermostat spring. Made out of 6061-T6 Aluminum, comes w/ 160 degree High Flow Thermostat Increased Flow and added cooling. Flush mount bolts allow for a 40 percent increase of coolant flow (The factory housing has a flow reducing b ridge inside the casting). 1/2 pipe thread port allows for addition of temperature sensor, pressure sensor or flush mount pipe plug. No gasket required. Uses factory bolts on outside to maintain OE look and function. Can be installed with basic hand tools.