Stewart, Robert Shaw Thermostat 195 HASZF20RP even if it is not

even if it is not perfectly aligned with the header collectors

Pro Street/bracket

Excellent low-temperature capabilities

Far too often

1974-1979 Oldsmobile Cutlass

Stewart, Robert Shaw Thermostat 195 HASZF20RP even if it is notFor applications requiring a thermostat to keep the engine at operating temperature, we recommend using a Stewart Robertshaw high flow thermostat. This thermostat does not restrict flow when open. The Stewart Robertshaw thermostat enhances the performance of the cooling system, using any style of water pump. However, the Stewart Stage 1 high flow water pump may require this thermostat to operate properly, and Stewart Stage 2, 3, and 4 water pumps