Tuff Stuff Performance High Flow Thermostat - 160 Degrees 811001 394 in Oval Port

394 in Oval Port

Double Trap Door Baffles

this adjusting nut set is designed for 7/16" rockers with a stud girdle

Stock Number 5266

Over the past 25 years engine head design and fuel management technology has changed

Tuff Stuff Performance High Flow Thermostat - 160 Degrees 811001 394 in Oval PortStandard thermostats flow about 37 gallons of coolant per minute. With Tuff Stuff's High Flow thermostat, that number jumps to 56 gallons per minute. That's almost a 50 percent increase in coolant flow! The increased coolant flow will reduce the delay in engine warm up times, allows trapped air in the cooling system to escape and stabilizes the pressure of the cooling system overall. These thermostats also have a bypass valve that allows a small