Mass Airflow sensor: V8 TPI - 85 Only (GM remanufactured)This is the USA GM Remanufacturered Mass Airflow Sensor ONLY for the 1985 ONLY Corvette, Camaro & Firebird TA MAFS Tuned Port Injected 305 & 350 V8. As different MAFS suit different years to see if you have infact a 1985 MAFS.. on the face of the service panel with be the number "1243 " at the end of a trail of #'s. There is a more expensive US brand new one available still if need be but theres are covered by the same warranty and have a excellent