Thermostat For 1978-1984, 1988-1991 Oldsmobile Cutlass Calais 1983 1979 PN246SG

Larger opening for increased coolant flow. Temperature: 160.0 Deg. Design: OEM. Temperature: 71.11 Deg. Vehicle Engine. ALL PRODUCTS BUILT TO STRICT QUALITY STANDARDS. Notes: High Flow -- 160 Degrees F; Alternate Temperature Option.