Tuff Stuff Performance High Flow Thermostat - 195 Degrees TRI-UB240 4-3/8 x 2-5/8 in

4-3/8 x 2-5/8 in

1972-1981 Chevrolet Impala

Conventional Crossover Headers - Fits Bemco

1978-1986 Jeep CJ7

Tuff Stuff Performance High Flow Thermostat - 195 Degrees TRI-UB240 4-3/8 x 2-5/8 inStandard 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